"y^^t^p^r- "" f. .*."." "v I ARITHMETIC DECIMAL PERFECT: MADE m T R, O E H of Infinite Decimals Management y DISPLAYED, of the Arithmetic of Circulating Dodrine Being the Whole and Curious ExamNumbers, explainedby many New fc?^. Of all in Substraction, Addition, pies made which the laft Age was entirely ignorant,but now With the meaneft Familiar and to Capacity. Eafy Demonftrations proper hitherto Manner by Unattempted, at leaft not Improvements made the very which Firft IS therein Attempt in a ft-cfixcd. by its feveral Authors, from, down N D the Prefcnt Time. to annexed Tables Large A A to compfcatthe Whole.. K I^X, APPEND containing ^ The ; Publilhed 1ntroductton(fhewingthe Progrefiand Historical With or Author* any To An illuftrate the Whole to of the Five Arithmetic Decimal Fradlions,as Primary Rules commonly Taught* in *; By JOHN MARSH, in the and Accomptant, Writing-Mafter, of Sarutoi. City LONDON:: f Printed for the^ A U and and H O R ; and Sold Edwa rd Eastow^ by Collins, Bookfellersin 5"r"" ; and John in Ludgate-Stretty Knapton, London. 17+2. Benjamin Paul T r-.v '":^ " '"' ' ^^ *.. "" ^t "" f t \ ' J . : ^ *" ! " 1 * " . . '\ *. " I. r / ""( V. f i T TO RIGHT HE HONOURABLE , HENRY " PEMBROKE One of RL A and His of MONTGOMERT, mod Majesty's Honourable Privy-Coancil, ^c* AND High Lord As a Steward of the Cxtf great Encoafager of Arts This of NEW-SA"t^M" and Sciences^ TREATISE, OP III with and all Perfed* made Arithmetic Decimal Humility^ moft humbly I'refented Dedicated, Br, My LORD, Twr tarifk^i nuji iMIicnt Servant, I MAk$H. r-it " "" - f ... J 1 , /*. .. " " . 1 - " * -: ^ ^J. \o I THE PREFACE. t A IH V Book lowing it were with at Way of the from juftly excufed none fo not all. that niaking have to I long 'd chofe here be may more very deed in- Cuftom, have made by the Readers place A* And I (hould to in with gratify fome to Infinite them Preface. comply However, Prefacing, I of I think a follow- concerning Inclination, own my much the in Management Calculations, ticbmetical and Introdu(flion faid and Decimals, than the in E the following Remarks. ti Other univerial The Fractions of Kind Application of befpeaks Wherefore do. biy (hall be making of ^ving of recommending knowing 2. Place no any myfelf to moft if I the make PerfoD, ( by Reader who is Way (hall take following ignoraut the A of under, managing the z the Pains Arithmetic ) Necel^ perfedly them. in Liberty ; I indeed or abfolute Obfervation of that long Harangues the lies of more pof!i- believe, general Ufefulnefs, my I to all thematics, Ma- can fpare myfelf Trouble exa"t however, But to the Mixt of Encomium inclined Arithmetician every the of am their on before Superlative Excellency, readily excufed, of fity, that I Branch every Periods laboured all the than to their Decimal viz. of this That Infinite PREFACE. Decimals, Dite faid be can underfland to Decimal its AfTiftperfedtlywell ; becaufe without mud of his Operations ance generally be Error confiderable the and when imperfe(5t, too^ very For Inftance ; be deals with largeNumbers. Arithmetic the Let Refult fuppofe the following Finite us Mixt Number^ given to be multiplied by ^06, where 96,75, was Place would of Huainfinitelyrepeat fi'om ue viz. 6 dredths of Multiplicand is little by dud. And fuch fmall For, uniefs carefiil fift of to the Eight in every more or will hinl, if he how very imperfeift. Whereas ftm"t Vv adl how him in a ' very to narrow I mon Com- is 5,805; 6,45 : So ^645^ which ^ro- will arife froQi great tl^ may largeNumbers* ! Decimals common be Approximate Fador.tb conin its Fraftiotfal Figures deep be very confiderable. pleafe, make Figures deep, yet aftqr all his,labour be in of its Common an. Pra"titioner thence is be Error above, with Part, the 'Error let Ninth as Multiplier which would deal make give in their ProduA Product exadt one Numbers^ we to Former juft the be, when Defeft and PraSitioner content if fo confiderable the ,06, ftom Expreilions, of. the Defed as every its Mathematical the toa be Finite two whereas that almoft would Integral Number 96^ as diminitive that Decimals with is fo little is fo in appearance believe readiily as that the in Confideration Now the Unit. an them the And deed in- of Millions Refult the "v^ following Sheets will find the Refult mathen^tic^Uy Compafs. ' 3. inex-^ Who I" Who 3. R E C Fj^ tbeM^e, E. fuch amoi^g defire as "fteeim"df Com}"kat Aiithmetkk^^ wodkl longer igni^Mt df the Arithmetic Which Decimafte? ibe teadct dofQbt,m\\ vary ea^y and of ^ny ^ot And fomiifar C^^iiy : FiwEtim" only, withmt Yfttg^kr Complext AlgebraicalTheorem comrtion the to Author with will of Account meet the in the to turn I do to the hanng for not every Principles recoarfe to its AfTiftance. expeft, to cording ac- the Particulars of Body his Work, fo, of this Book, Contents he which he may whoever will there of the Order Succefiion or very ample Account the fcveril Parts of the whole Compofition to find of a j Which therefore, to avoid I muft Pfdlixity, here refer Reader. my 5. for As my Stile,I have endeavoured of plain and uniform, as the Nature will give leave. And for the Redundancies ;i8 Readers here are turn out to make the difierent it Subje"5^ ( or if my rather chuie to call them Tautologies) which and there to be met with, I hope they will an Advantage to the iiiere Engli/h Scholar. I have For of In""ite of even upon Reader tinue con- of Prefaces, that the general Cuftom ifomewhere in this Place give hiai a fhould fuccind too for the natural being It 4r now foBovring Traft, be to for many Years experienced,that Rules have been delivered in the leaft Didtion, there Youth in general have where Variety made tlie qilickeftProgreis. Wherefore, Ufe of to with as the moft ufe as few plaincommon I Compofition for defign'd my I have Illiterate, Variations Senfe in been the mfore the ful care- Exprefiionas agreeably I well could. 6. And PREFACE. thimi^ioatthe that I hope laftly, t. And Whole Penifal any foch If upon ihould appear, I (hall be very thankful to that Peribn Such of thenn. who (hall be fo kind as to apprise me there Errata fmall avoid To the |N ^ 5 II. Ex, P. fir the ,003973,17 Nombct ^^ fir ^li? 39. 1. 3* 9. the firft Place in Dedmab; P. rtad P. P. been P. 1. 6x. 1. 1. Place more 10. fir 12' 12. the lemovt 7. r. Ex. tlie 3. Speck P. 59* P. 65. " It. ,6 by ,8. multiply one In fir Expref- 14. (13456788 r. h 70. fet r. he per* Gentlemen. is* i" 'i. $"" |. the left,/or 11345678 53. ,00307117. ibo"ld"na?e r. IJ1500 P. . ,,. before following Errata*.. for Gentleman '" =sS7547x6. %t, 16, i7*/^s=^754753 to iti next Fi^re place a Speck over ^ I*.15. ^4. Expieflioft. r. Iroffl h 1. corredt the to PSage tjI. fine Intndnftiony Bookj iooB is defired Book^ P. Books Mifconftru^lion, the Reader, any ufes the and Pen but I doubt not eipecially, unprejudicedReader wiU candidlyexcufe every correA. and both attend commcmiy as in Numerical Prefs^ that oiaterial Faults. no are P. 77. Left-hand. towaidsthe * P. 1. 20) 80. fir i%fOO P. 3io,o. n I. 99. " Speck " r. latter the over P. 7. I, t^ in. P. 118. 1. 4. r.. 57945, 1. 151. 7. /or r"ioaixdr" Square. P. 154, dele " ". P; 1. 16. the " 78',o48. Une tfie la"F,for 878,04 150. L 3. /or . p. 1; 8. 1 10. " ". fir 5,7945 r. P. " * fir 78,048 . . 878,04. " r. yor ^,45 ,00411 ^00411. * ,45. r, , r. P. 156. 1. i^. " . "" /"'' "3 ^ "3' P' '59' " P. 162. 1. '" 3*y^*8"'' " . 8./m'j^I7I4i85 r. " . "8'' . P* ^^* '" " . . 'i'/^**"8846i53.r. ,8846153. . X714185. THE. THE CONT ENTS. INTRODUCriON, nP//" H C Defimtions and fVbai 1 2. A ?" I. PropqfiimSf RepiUnd a . Page Circulate w ibid. is^ ibid. Single or Compound^ eitber Repetends are i ibid, fnat aSifigU Rcpetend is^ 4* fUM a 5. Repetendsin general are 6. What a Pure Repetend iSf ibid. fFbat a Mxt one^ ibid, 3. 7. 8. Compound the Finite ^at one^ z eitber Pun Circulati^ and or ibid. Mbtt^ Parts are Mwt of any Repetendy 9. How find to a 3 Vulgar Fra^ion EfuHvalent 40 any ghets Repetendy 10. How 5 multiply any given Number to by Number any tfg^s mofi compendioujlyy 11. How " 12. do the fame to ded to Fra^ion 13. I4" 1 6* FraaUms any is to bead^ given Number Produffy its of amy the Value Shews 159 when JborteftMethod fbe 10 Shew are of how a to Repetend when the or find the EquivalentVulgar Repetendy Miut when 9 i x cfs 1 ,9 Denominators with E^ivalent Repetends arey ( b ) or without or 9, "c. 3 16 Vulgar of any what their 0% x6, 17 ij.tbe CONTENTS. The 17. Method of transforming a given Repetend (0 another Equivalent one^ having the fame or a greater Number their fever al Defnonftraof Places of Figures^ wilb t ions Repetends t8. 19. 20. 2 1 Similar IVhat a Dijftmilarone How to fFbat How one transform Diffimilar^ 24 ibid. is^ ibid. is^ two or mere DijftmilarRepetends tOf ibid. Multiple leaftCommon to two or Nume- more iSy to 25 leaftCommon the find to make Similar MultipU to two or mont ibid. given Numbers How or onesy the bers 24.4 Similar a Similar 83. either are What . 22. J Finite a or Number Determinate bccme CirculatingExprejfton^ C H A P. U. 3a CHAP. III. Sukra^i"n^ 25. lbt" 4X to The i multiplyany Single or Compound Repetend by 100, or 26. ^ 2^ of Circulatesy M(Ution 9 1 J or "c. 1000, 48 mofi Cempendiouj^dethod of dividing any Number Number of 9% any propofed e H A 10,. P. by 50 IV. 1 " ft 56. Multiplicationr . C H A ^e mojl Compendious Way by V. bb ' DiviftoHt 27. p. any Number of multiplying any 'Repetend of 9V, 105. CHAP. CONTENTS. CHAP. VI. tLedulfiotit I20 CHAP. and InvoUHim 8. a ff^iU lis 19. 13* ibid. is^ KnUy ibid. " . Evolution Powers Jll 31. Emriutimit Imobitiott What. 30, YUi . is^ dboBoe 145 the firftare either Rational or rational^ Ir- ibid. 32 23* And PFbat Rational ff^^t Irrational Powers Iqjtty^TbeT^lis Powers with ibid. are^ " their ibid* are^ Explanation and Ufe^ 1 54 ^c. " \ * " (ba) " Jh Jin EXPLANATION and the of made Abbreviations Character in ufe of tbefolhwing Sheets. Kames. Characters. Equal = Significations. The to. Equality of Mark As " s. L. I Plus, *)- of Addition. Mark The More. or 20. = 9-1-6=15; Minus, r " Lefi. or 6 more or 9 read lefs 6 Mark The is of As 9x6 equal Diykled ^^ Mark The by to 9-^6 1 J 6 is nus mi- 9 equal =54 to 3, read \ hj into 6, or 54. of Divifion. read equal diyided 9 to As -|) (or thus " 15. on. Multiplicati- ^ multiplied IS to Subtradion. 6=35 " or Multiplied by. of plus 9 areequal Mark The As X read As i = by " . a Squire ^ v^ 36 As Root. Square to then HeiKe by go, 9, is to whofe equal to ^^ ? = Produft 25 divided is " add by 7, read and d = Root read 5 of 36 is the equal 6. thus that ; Sum 2 multiplied divided 90. ABBRE^ by ABBREVIATIONS. Nunf for Numerator. " Denominator. Denom^'/^r ". S. E. V. C, P. In making avoid And V.for Equivalent Single F. for Equivalent for Common many ufe and by it alio we or of the Fradion above Produfb. Symbols frequent Repetitions have Fra"ions. Fraftion. Vulgar Firft or this farther Ad of or the vantase, Charafter^, fame we Words. viz. of com- Thirds Subjed in, or nearly wiA, two prifing the whole that the verbal would of the Paper Way neoefl"rily require. A CA* IS L T " F O of Names as T H E of the many Subscribers made Arithmetic Decimal As in came " to Time be to Perfect, inferted. * A * JLMm " "^ " ' " ' t " 1 of Seend^ Gent. Awdry AMbrofe Williain Mr. Sai^ouei Allen J^ir. ^he Reverend The Rev. Andrews of tU A. Abbot, Mr. Dock, Portfmouth. Andrews. Dummer Mr. of Ain.l;"rofl"Hry^ Writing- M. Fellow ofBaliol College Oxon. j Samuel Mr. Biggs of Bcnnct Thomas James Brohcir M. Honourable Gent. EJqi Gent. of Lower D. Bowles, Thomas Right of Southton. Balkerville Thomas the Park. of Salthrop, Bartlett of Sarum, P. Mr. the Biggs of Woodford, Henry to , of Pembroke. Earl the Gardener Brown James Mr. D. Richardfon, Re3or EJqi of Brackley in Northamp- tonfliire. Reverend The Balguy, Mr. M. A. Fellow of St. John^s CollegeCambridge. Bryant of Mr. William The Reverend Mr. St. BarfoFd, Johrfs CollegeCambridge. A. B. Fellow of King's College Cambridge. John Mr. Banfon John Barker, John Thomas F. R. M.B. of Trinity Hall, Cambridge. of the Clofe of Sarum. Batt, M. B. of Baliol College^Oxon 5 and S. Mr. '-^ of i^e^ 8cc.' T s Majifi^s his in Pdrtfmouth.- Dock. Arthur I Builder Bucknall, AJJifiant Thomas Mr. L of Baliol College^Oxon. Batt, "/^; 7be Reverend Mr\ Thomai The Reverend The Reverend Blake Mr. Bacon of Siirum. of Sarum. George Bowditch. Mr. William Mr. A. Bowles, Fellow B. of New College,Oxon. She in tfnyoer^ Bradley, Prof^J/orof-AfiroHomy M-. Revered ftty College^Oxon. The Rev. Biifs, Profefor 'ofGeomfry'^mUniverfiiy Got- Mr. legeyOxon* ^ PTriiing-MaJTerin Oko". College^Okon. Baylcs of Pembroke Brickland, Mr. Mr. tnflk^^^' Wight, of Ofborhe Brydees Blackford ' ' "' *^ t*"y?^tJ^meifen"ffeld(?/BlaVidfoFd * "- Ef^v .* " " Mr. William Mr. Henry Dorfet. (?/WhiteciAirch, Beft Brown Jbhn Ballard, 2". D. Thomas Reffor ' "' Geni, of Cranbourne^ in Wstrehaw; Baker, -School^Mtfften Bartlett Charles Mh. Apotheeary.''^' 5-/^ of LangftHHj-Ma^:^ of Sarum, "' " "' ..w/ C . Jofeph Cu^bcrt. "^ Mr. Richard Corpe of Poolc^ fTriting^MaJUfr. Thomas Tifi^ Reverend Yale ^ Fotey,, -CaVerlcy, ReSlor fo^bis ;Hiai^tSiandCbaphin Iti^lmgbhefs'tiit'^P^me ^ 7J^ Reverend Mr. ' ' Wales. The The- ' Reverend Hf, CFiRttri, Thomas Reverend Cotfon;, Mr. ' Francis D.^RHfttifrtfBhy^. Profepr "of MafbitnaHcs " Cambridge. " ^ in ^ " * . . y ^ . of King*sCollege,Cambridge. L. B. John Cokcr, of Neid College, Oxon. "The Reverend Henry Coker, L.B. Fetttm'of^ew"olkge,Ox., Thomas ^e^Rev, Coker, A, hi. FelM^^of'New "oHege,Qx. The Cuft, Efq\ Fellow Reverend tiM, Mr. The Camplin, Mr. Ojcon. Comht of GuA John Mr. Thomas Mr. William Prineipal of Edmund College,Oxon. Cbatcs of Magdalen Hall, Merton keverthd^Mr^. Mr. Fice "* Oxon. * Chubb CUkkc. of Windfcftcr, -' " - Jccomptant. " " - iB54. A of List the Subscribers H Sarum. Mr. Robert Mr. in Sarum. Benjamin Collins, Bookfeller John Collis, CarpenUr in Rcdbridge. Mr. Cooper, Junr. of Seven Books, D ^e Rrverend Dennis, A. M. Rowland Mr. of Sarum. Delafaye, Efq\ of Wichbury. Charles Henry Efti\ in f^riting-MaJier Deacon, Mr. Davies, Mr. Thomas Roger Warminfter. Qucfne, Fellow du of Kinj^sCollege^ Cambridge. Lewis of the Inner Temple^ Ef(i\ Dechair Richard Mr. Dignell, Lord Carberry James Darke Mr. Walter Mr. 7be the to Right Honourable Woolfton. IVriting-Mafter. of Honiton, Dench of London. Fellow Drake, A. M. Mr. Rev. at Gardener of BaHol College^Qxon, E Scoope Egerton, EJqi 7be Reverend Mr. Edward The Rev. Eyrc" Junr. Fellow of New in Sarum. Eafton, Bookfeller Ox. College^ Mr. Samuel Eyre^ LL.D. ReStor Two Books. of Broughtoo, Hants. F John Fullertpn, Efq\ Reverend Mr. Fofter, M. The The Reverend A. of the Fletcher, A. B. Mr. Clofc Fellow of of Sarum. New Coll^e^ Oxon. tf Epceter College^Oxon. in Oxford. John Fletcher, Bookfeller Froft Mr. Mr. Dr. M.D.of Frampton, Goodfellow Matthew Mr. Abraham The Reverend Two Books, Oxford. of Dinton, Gent. Gapper. Mr. Green, M. A. lege^Cambridge. Mr. Golding, hL. The Reverend Fellow of St. John's Col^ Fellow B. of New College^ Oxon. Tbe Rev. Mr. Mr. Thomas Godwyn, D. Glover the Dock, of B. Fellow of Baliol Coll. Oxon. Portfmouth. H James Thomas of the Clofe of Sarum, EJqi Harris of Lincoln'sJnn^ Efq-^ Harris The / ^ ^ List f^ftU Subscribers u M Mr. Matthew Mr. Edward Mcrcfidd ^ Shafton,Gent. Moody of Burford, Captain John Mackenzie. Oxon. Mitchell,L. B. Fellowof New College^ William Water. Moore, jUtomeyat Law in Bridg- l!be Rev. Mr. Mr. Six Books. Moore rf Melkfliam Wilts. Robert Matthews of Bath. Mr. Mr. Mr. ' Daniel Martin ^ Southton, JVritii^-MaJler. Gore Michel], Ef9\ Ghriftopher bis Migejlfs Cornelius Michel],Chptainiof Shipthe Ktnt. Thomas Mr. Midiell. ne Reverend Mr. Robert Michell. Mr. Frands Michell rf London, Rober Marlh ef lA)ndon. William Marfh of London. Robert Sutton Marlh 0/ London. Marfli ^ Briftol. Thomas Mr. Mr. Mr. Mr. Mr. Marlh Edward of Briftol. N fbe Rivennd Dr. Newcombe, " D. D. Mt^er of Sh Johf^ CMbn^^y-Canlbridge. Mr. jUderman NaiOi of S^m. Vbe Rev. Mr. Noel, A. B. Fellow of NiioCoUigef ChtM; 7" Reverend Mr. John NoirVis. Nm"an. A6-. MiMhlU p Green Palmer, i^ Skroin. M". A"^"r Thomas Pope. i " . . D^rid Bkioe ^ Weft lAvil%tipRl 0/ San^m, BtOder. 72e Rev. Mr. Price,Sm-. L.B. feAw efffewCtA Oxori. FetlAfmrfNtto S%r iirv. Afr*.Price,Junr,AM, C^ O:pon. Mr. Haily Pond ^ Shafton,fTritit^-Mafter, 7%r Reverend Mr. Jl^. FrancbPraA Jlwry Pincke, 4^"^ Ke^^di, Hants. Haitis Power (f SamnA. ^IJ"||?^ JotMdiaii JI6-.William / i" BlwdfoRl^ Pitt,B"ajeUer ;- " made Arithmetic Decimal PerfeSf. Phelps, Fellow of New CollegeOxon. Powell tf Saram^ Attorney at Law^ Pratd. Mr. James Srtr Rev. Mr. Pafkcr, A. M. Felloe ofBdiol College^ Oxon. Mr. ^ Alexander Mr, R Mr. Thomas Hh Reverend Reading, Attorneyat Law Ructherforch, M. Mr. in Sarum. A^ fklhw of St. Jobffs CollegeCambridge. Canibridge. John Reepe of King^sCollege^ ne Rev. Dr. Rothwel), D. D. ReDor #/*Monkfton. and Cornier The Rev. Mr. Reynolds, Preecentor of Down J Mr. in Ireland. Role, A. M. Fellow of New CoUege^OMtu 2 Books. of DoWncoOt fFrititig-Mafier. James the Common, on James Ruflell, Junr. fFrittnjg^M^er the Rev. Mr. Ruflell Mr. Mr. Portfmouth. Two John Ruflell of Bafing^oke,Auomej at Law. Books, A. M. FeUow of BaUol CoBtge^ the Rev. Mr. Ru"U, OxM. Mr. S Mr. John f Books. of Oxford, Otgan^. Two ^ Sannn, Gent, Squire,M. A. FeU.ofSi.JobefsCoM. Cemh. Snow Francis Swtnton Rev. Mr. Sif Rev. ne Mr. John Squire,PrAeniaryand Snb^CbtMter ^ Sarum. Mr. Stewart John ^ St. Jobt^s ColltgOy Omdrndge^ Shelford of Cains CMege, Cambridge. Afir. J. S. Samber efSt.JohtfsColkgtyCambrkig^ Mr. Mr. Richard Sdllingflcet, Attorneyat Sydenham. Dr. Smyth, M. Mb-. Robert VhoiRev. FeUew D. of New Lane in Sanim. Oxoik Cotbfe, M^^.jokgkSaiJgpr^CanmttfmCatbednlCknxk of Sarum. -Mr. Skewwd" Webb William Seymour, EJ6% Seymour^ M^% fbe Reverend Rowland Mr. GayrgfiSnittleworth. Mr. of the Dock, S^fmons rf Wilton. Alderman Stone (f Sarum^ Mr. Eklward Sethcoce. Mr. Mr" Smith Portfinoildii Robert ^ Jb"v 1 j4 L of the, 1ST "c. T Mr. Gcoi^e Mr. Edward The Thornton cf Grimftead. Thompfon M. A. of the Clofc of Sarum. John Talman, Thiftlethwayte (?/Winterflowc, Efq\ Six Books, Mr, Rfv. Alexander Thiftlethwayte, Efq^ Robert Robert Mr. Organift. ^Sarum, College, Oxon. of Wadbam Fordingbridge, Attorney Tarrant, Law. at Books. Two Mr. Richard Mr. Walter Mr. John Tarrant Taylor of Taylor of Southton. Southton. Attorney of Downton, at Law. W White John of Shafton, Efq\ Alderman Mr. James George Wcntworth^ Wroughton ^ Wilcot, Sanim. ^ Efy% Wroughton of Lincoln's- Inn, Efqv^ John Wadman Efq% of Ember, Mr. George Wooldridge of Bimop-Stoke. ?^^ c. Whalley, MafierofPeter-HoufeColl. Camb. ^e Rev. Mr. Wrigley, Prefidentof St. Johtfs Coll. Camb. Rev. Mr. ne Wright, M. ^. ofSt.JoMs CiOlegi,^an*. Nicholas Mr. Wakeham, of King^s College^ XALmbridg^i Richard Gent. Wanibfough ^ Trowbridge, i2w. Dr. " ^ - Mr. John Walton, Mr, John Walfh Jlfr. Thomais -Wir. Robert Mr. Thomas tbe Rcyal Academy of Thorncomb, 5^"r. W^Uis, Wentworth, Wentworth, ;;i PortfmoutJi. Devon, ' (j^Sarbm, i, ' . ^^ Jeweller and Lfeutenant Gildfmithin'^^mm. of bis MajejifsShip Hampfliire. Thom^ i^ London. ^/ EaftvOithard, Whatley ^(Ain Willis Mr. the Jofeph W.htktltyyAceomptantl Mr. Mr. rf ^ ^ Four ff^Hiif^^Ma/lfr, Books. William Mr. Webb, one of tbe General Examiners at Excife Office. Mr. William Waplharc, Land-Surv^ri THE thf I"] THE *".'" INTRODUCTION. Perfon, EVERY in Decimal converfant Fraftidm^ that in the turning of a Vulgar Fradlion into a: Decimal Fradion, it is very rare that the Quotient is finifhed of without leaving any Re^ mainder. muft likewife they muft And Quotient) which compleat Decimal Figure, fame obfenred, have tb^ Quotient turns out a infinitum^the fame Figure, or nitely repeated in the Quotient. preflionsas thefe, are therefore fe"t, determinate, compleat, '" But Age either in on infi-^ be Decimal Ex- , called or the continued were fuch And or fomewhere occur interminate, indeter- in ContradiftinAion infinite Decimals, or find often I^igures,would ad minate^ perfe6t"determinate, that, if the Divifion and in the notice, that taken Ezpreflion, they Figures, continue to or ; not have finite Decimal to a per-* Expreflion. in Arithmetical Managennent of infinite Decimals Operations, by Addition, SabftraAion, "c. the fhiUis pubDo"or Yc^ars after) in which ^and many to as the liflied his in the Year Hijtoryof Algebra^ which was 1685^ For of: the Dr. who the Hiwas entirelyignorant wrote ftory of Decimals, is wholly filent therein, .not giving ib much as 6fr. but a Hint at a Method by Approximation made, Improvements lately* or Difference, whatfoever, not the Produft, furd how to add or fubftraA only. Whereas now, it is poflibleto give or Quotient of any by ^ Roots, in Decimal them" the the Sum, Fradions Expreflionsmathematically exadt. B As INTRODUCTION. ii I intend As of this Introduction learned Dofbor's bb comaim which to here.firft ilemarki curious to tranfcribe part of that' ^ of Algebra I^ary Account Time, in the M a" titl they latelyarofe to their Decimahi leave I b^ prefentPerfe"ion, Hiftorical an Time of infinite nagcment the from made Pn^refs, the as on from Chap. 89, rcjpeating i^eciitials* The having treated, Dr. of ences, the of method Exhauftions, that of ^f iiifinitts^ whickdepcMftiM of infinite the Method (funded DiVifion tinued ; This (but on and Exliauftibn^ )h Species, is cf nMich Fra"ions to Decimals ikme Quotient: As I "=0,5 : : Y"Ofift5 ^ : : " .20 ^S, aso.4 be prime iiBterfaiinittfe : As 1 27 Number (fo reduced) "than ""560,3353 1 " * ; : Which he being firft (or Divithan 2 "nd compounded of 5) the Quotient will or f^c. =:o,i " 5 Fraction mily then, wlien (tlie happens, reduced to the fmalleft Terms) the Denominator for) is com|)ouHdedof no other prime Numbers is compounded.) which 10 5, (of '6at if the Denominator 1 : 4 =" and then in ro H5 -^=0,15 ctids ' =Ot" " 5 3 1 t any other Nacort IbmetioKS which : a 4 the uniVerfai) with that (in Ktirtibers)^f reducing X ssO)t5 alTocf oondnual or " " as Chapter made the following%un^ Decimals, circulating upon Divifidn determinate a Arithmetic in the above hath tnore comfmon the and Set* A|)ptxMrimaktabs the "ane ftiticiptei) arifingpriocipdly froAa in Species mfinicejy ""tniftrbii of Roots con- Obfervations ous Serine mathematical other among " "=#,"6666 ti'r. " = 3 37 In i NT In wlueh if Order two or (as in-^ fooner, it doth Places as the are in } " , ) #""""""" Unici of SgnniQiitft " b"t alwav!* return to Ditj^e (^c^ For 142^57 7 the Remainder Repetition a in fo tfimf in tht Divifor. btgia =99142857 " " circu^ vad ntum, fometime : iU GoQcinnicy*thM agiun ften in leaft at Numbo* Forinftance, dQ before as fi^k Fwirc, ( mwm more, N: it jiec alwtyt dm one not UCTIO D time, the Numbers late in the "ime of dioe Caft after fome of It 0 - vifor being and thereforei, Place, needs 7, 2, leaft,if at return before, Time returning as before, the Quotient muft alfo return The of Number late, is " never nwre not of Part one : fame of the Remainders And fame the muft Remainder Figures or | feventH in the fo onward. Figurestherefore whicfc dp tjioscircy of tlnitsin the DU than the Number But one. fuch tinies, it is many Number^ or only fbm/e leflcr Number an alj- whidi L ." know to firft reduced when its to ( reduced "tf that tliat in the it aliquotpa^rtof if. '^ ah And lefi than So Figure and ; : always be r vifi"r, wanting quot 6 or 3, 4, ^ not fecond a mvft this happens, die fmalle^ T^^^.^" ^^ Fradion ^^^ l^eing DenominiLtor ) Fraftion, being farther re(3uced,by dir ^ (.the Comtpicnte of 19 ) as .o(^aj^ If then it come it can to be 9^'9^, !rao eff. ( confijpbing : only of the Figure 9 repeated,) bf an aliquotpsn ofliicS the Fjgure| of 0 in fuch Nufn-* as arc ^timber v Sq many viding it ber which by 2 and firftoc^urreti?, fo many are thejPiguresof 'fich Circulation. Thus, be if the Divifor 9,3,6 (=2x3,) the Circulation is of 12 or Denominator (=2x2x3,) fingleFigures *, B 2 of the Fraction 15 "5fr. (=5x3,) becaiife in 9, that Fi- gure INTRODUCTION. W is but gure and 6^12, ( the written once 15 3 an ^ ; 5, ". of Components " is aliquot Part of by Multiplicationsof 3 by 2, or made are and ; ) 10. " ..... - If99"""2^ "r. by of one them diough pertain to by or a, thefe alfo be of 1 ( 25 of 12, of an times ; or, is written If of (which 21, times is not of 3x7 Compound of (which will is 6 an ; with doth 13 6 for ( the accurately wherein is fix 9 deligned by Or a 3 Number: ) it is aliquotPart an whereof one it is of ; 999999, Number prime a places ; but aliquot Part terminate 3 Circulation the repeated.) yet is not divides 999999. it ) becaufe i^ " only not (=2x27,) the 1 3, fingleFigures. ) 999,27,54 If or thefe afu admit by ) ^^ Figures. Figures, ( which becaufe ) be 9, 99 ) becaufe even aliquot part of ( but not of any fewer 9 ( but " ~^^37 is 13 mention therefore and ; reduced three which divide, Figure ( fo CX27, ) 27t74" =r like realon,' is half Rank of is denoted 99 aliquot Parts of Multiplicaliopsof here not aliquotParts by Couples, Divifor If the ( tdo : (=2X3^,j becaufe are ii,33" made by iare 5 the former Circulation and ^ 66 1") Figures, two "r. 22^55,66, and ; written twice 9 (=5^1 33,55 is of Circulation the 99 (=2x11,) of of 20:= 2 becaufe thus, of 1 i,) " is 21 7 requires(as before) Circulation only of i Hx a a culation Cir- place, 6,*) this ((ixtimes repeated) Revolution of 6 places. r " the like And Ciro^Iadon of Circulations 6, ) three 6f thelc Ni^mbcr^y,,which the So 259=7x37 which 3 places ( of ; is of becaufe is alfo this, will end like in.other becaufe 9f77r=7xii; places, ( which 2 an 6 an will terminate with for Qne places. requiresbut aliquot Part of with requiring but a. aliquot part pjf 1 1 is alfo 37 One Circulation a 6 ; of that for ) 7. two of lations CircuAnd the Cafes. .-t -. . , ^ ' \ 'But 1 INTRODUCTION. VI therefore not Fradions ; fingty,tillthe 3d Place of Figures, of fignificant operate all the when So Quotient are fpeht. of 15=5x3,) " '* i) 28 "fr. And ^-sMs ) becaufe I do confidered But the and ~tH by more 0,8035714285714 = on particularly remember not to found it fi" other. any ) which thus appears Divifion, ( the fame the Dr. Concmnity ( continues of a Quotient again returning in a continual be this, ( fays the that 1 have in the interminate Numbers not is, (becanfe of That the like in other Gifes. infilled the I have Dr. And 3f^ 11=0,803571428571428 fc?f. 5^=8*7 firft ^r. =0,13333 5 the "^. that is (becauie 0,1 3333 And =ro,4. " " Decimal expeded in like Manner Circulation ; is ) of the Extra6tion in Roots, ( (quare,cubic,or of higher Powers. the bird Koot Decimal Uke as may of the numeral Recurrence As we ) For though by Approximation in continued Yet Farts, infiBitely : iin Divifion that be have we Figuresin the Which 14^1 3564-* yet hinders admitted Ax)proximation may be Cifely v[^=i"4 this and ", 0,33333 if fo C^r. to equal" infinitely, 3 Thus a"y Men fame ends, on in las Time. began to the Order" had. continued, fuppofedinfinitely pofed to equalthe Root of that furd Number tice therein not this Subject,as not but in prac^ mult be liip* ; as truly as . " great a Mathematician as J doi^iw^ 4Jpon wbpfe cS^feRvsitions, and at fpeculate, laft to contrive thod Me- a to apply the Dodruie ( unthousht of then ) how Circulates to Arithmetical Operations. N. 1^ A i INTRODUCTION. When r. B. I " to come diis Book in treat concerning and whether of Roots, Evolution, or die Eztraftion of iquarc, cubic, or of higher Powers, I (hall there txhibk ExampIcs,^ feomttiKlyimdonal Involution, will have, which rtrarnittg in in their a ftall attb mOkt be the iame Kooc^ Divifion. a it evident, C^eampUs might fim, of that Root triM and be contft as Number isomI of of inch I ienfiblc any any rtvf am Examples fhould Ihall happen, its fuch iiich madieaMtical a I Place infinite Number Expicffion, as an agam that m \ though prodisced confift then Numbers, Numbers And an iUdom it may be but diat in FiraAice, yet whenetw (Aoor iurd or Circulation, as a^ppearsin the in- continual Quotient cenniaate " "It Anfwer^ exaft of any is the Root nu whatever^ " The Aiithor which next fionaUy the xiataon fame Subjed in bis Sympfit Pidmarionm Year 1706, pag. 104, IngmiouB Mr. Jcm^ who #"^, publiflicdin the concifeiy,and diat but had largelyexplained before. thors, Guide^ ders themfelves xxmtent that fo much as intimate Numbers id page only Numbers fome Part a will with of and ^, informing but arithmetical cites re- 105, Dr. the ^arJ^ Mr. ciioilaae, Ma^ what his in other An* "hetr Rea"- none of applying Poflibility a any txx", Gentleman, MtUbiiMiHcuufs dkn^ ung "f above the fince And and occaHands, my the with Dr. WdtUs^ was to came of fuch them circula- Operatioos,but by way Approximation only. fiift Author The can learn ) Numbers Mr. inthe who^ippear'd in hts Bot 1709: tip ; for aftsr rim Kingdom, J could muft I a very and not a ^ as I and^appliedcinrukting the Reverend Operations, was 4f Decimml I Ymsr or Book, S^^m for in fViUic, arithmetical to ArMM, followingSubjeft," fe the on krilkmsdcjpublifiied liippofeabout leave its awe Dale the Years for others lyolt, to fill careful of Cn"|ufry in various Pam for a Sight of that fong Expe"atkm Wheve* fo h^py it. fs w" obcam fore viii f N I R O Readers be muft my Performance this Author's fore and Cunnj from Mr. D I 10 N. with fuch Informations ihall tranfcribe content as T C U fiom of Mr. Malcolm. m The former Method this though of ceflary to be known, fufficientlyhandled Mr. verend fuch manages interminate continuallyrepeated Fa"tors will as (being, as much to as I remarks this. That the Re* Arithmetic^ of Decimal S^em hadi exttuit fingle Digit in Multiplicationuieth only fuch fingleRepetend in the Produftg a as Mr. have a unwilling ib Cunn^ and Repetitions ) compound PraAitioner work to without in Divi- "xaftnc" 5, 6. Preface^ page latter Gentleman, The abfolulely ne* hitherto fuppofe, continues the Cuntfs Vide produce is Treatife Decimals but y mention leaves fion his in Brovon^ FradUons ufing yet no it : And Preface^ obfenres, tha^ his in Gendeman, Preface, remarks. That his in probably the firft,as he iias himfelf obJenred, "x)nfidered this curious SubjeA of circuhas diftindtly lating has He Decimals. ) given us ( fays Mr. Malcolm of but without fundamental Demonftratiit, Theory fFaUis Dr. who the is has nor ; of mianaging And Mr. but meddled he on the infinite Decimals fingleCafe of Vide pleatlyneither. pradlical Part, Way Operations. in arithmetical in his Decimal Brown^ one with Arithmetic, Pra"ice, the MalcoMs and or handled has that Preface^ page not com* ii" " in my However, brings no fmall probably for The the Arithmetic of ibe DoSrine 7 14. curious 1 to Wherein mation firft,though little.Inti- that to circulatingNumbers* of Reverend his Peiformance, was it apply firft Book Ingenious Mr. \ Reputation it thinking how Arithmetic the towards this Opinion that of entitled, of FraHions^ he hath Escamplesy both A which Treatife a new firft exhibited in Hands, to my Circulates, is Cunn^ that fet others ; upon univerfally. more came Gentleman and treats of by the wrote compleat Treatife publiihed in the the Arithmetic of fingleand compound Year many circulating Decimals, INTRODUCTION. Decimalsy mixc and pure ix being ; the firftgreat Work on Subjeft. the this Gentleman had And faid he firft ftrations what done, defigned to do, his Examples, I viz. in have to Preface his he Demon* given perfuaded we (hould then have had no Book this Subjed very foon, or at leaft new on for one: had occaGon But, unhappy for the young no ! He Learner wrote concifely, and in a way not very to be comprehended cafily by any. Nay, the great Mr. Maito colntyin the Preface, page am his to 1 1 . (in my parable incom- Opinion) NewSyftetn of Arithmetic ^^xMxfhtd in the year 1730, does ftick not his Rules of view this further Rules, be indebted it muft qualifiedto have is evident from I it coft frankly own never them. or very However, in himfelf to ufeful Hints. Cunn that Mr. me Reafons the let Mr. not Mr. Fields^ tributed That ferved delivering was every way SubjeA in a. clearer Light, curious his many Examples } but what fay. doing it I cannot Subjed ; acknowledge, in Friend the of Way acknowledges two or out fet his whole this valuable to one far as adds, I muft could one of he exprefs Co litde Pains, fbme no of the feveral Years Methods made by this Gentleman, I muft as C""/r's Malcolm be allowed, difcover to ago, ufe of Mr. Reafon the for from prevented him And by him to little lower a themfelvcs Preface, Mr. fame Indeed as And chofen has fet the Reafon to as Effcdlof into led be hardly the That Cunn Mr. manner, a poffible. as obfcrve thefe fuch in that fay, to no his and Hints his the Memories for thefe the fole Improver of He is (b ingenuous and grateful : Preface, that he cannot forgethis Difcovery Figures. to pafs, as Ftavellj Schoolmafter Robert whole Cunn their of of in St. Gile/s particularMethods the the above Gentlemen joint Labours, C and Nature and Laws may remain had of in con"* culating cir- be prein high Efteeoi INTRGjpiUCriON. X Eftecm the to I J Mankind^ among ufeful be Admirers. For of the ^nce with Error brought Mr. in " *' " ** ** " " came the which are the of are C"if"*s Mr. by themfelves *" into " I the : lieved ; fo that Rules the BoNC^.i which not of of them, Speculationsmade .may the Words and : Divifion, (hould have therefore Vid" I " Effeft Rules, That hardly, be led pv very confequently into the Way it will be the more eafily benor given, for this Reafon faid ) " upon might otherwife I this be faw this I acknow- Improver Pradice, fuppofed " o" only, that I whom C^^e fyfl: great Effe"l the are before this Siibje6l, bethought ungrateful-toone " *" thefe never, I have upon this further obferve delivering I-.mention ledge the. firft Ai^thor whom I muft could one Reafon that But Way chofefl have Malcolm ** either of own Vulgar Fradion equal to ) for though the Demonftraought to be as fimple and Rule the omitted, "" "' from in his of ( or finding the finite Value circulatingDecimal any eafy as pofSbJe. *** that Infinite Decimals more ^' "" Book next wherein ; Multiplication . " one complex and difficult Parts) Mr. fo eafilyfollowed beDirections Cunn's are not are j and for the Memory than I harder the Method fides much have chofen^ which depends all upon the eafy and natural Explication of one fingle Propofition; viz. the (which tions " fee Im- proceed. to the of take deals tic Arithme- But my Do"lrine different of Rules Decimal now Hands whole fomewhat " ** cimal De- Science, recited, was to th^ treaty in That metic Arith- he daily not and Perfe(5):iont Syftem, above before- mentioned, Authors the when too, Art every its utmoft manner a tQ of their underftand to did one affirm, that Subjefb, that great Author ^^ almoft to U" MalcoMs this on if And *" in made iliould be tempted was faid confiderable very large N^imbers provementf ignorant of be can continue one perfedly well ; becaufe without its Afliftof his Operations mull generally be imper- Refult the is who Decimals, Infinite Arithmetic fe"5l,and Perfon, no long as Numbers of hearty Wifh as is the World, Mr. from to have " th. Prefaa. " bor- ^" borrowed ^" knowledge Malcolm* I all that deduced or him owe or one JPrefacey page s criO DU RO NT I fay ; yet I do acufeful Hints." Vide I two are we and 12. greatlyobliged to this Proponcion, widi many others Indeed xi N. for fet- Gentleman SubjeA, in will carefullylook into fo clear a Light ; but whoever Mr. Cum*s Examples, both in Multiplicationand Divithat Propofitionalfb^ lion, will find that he well underftbod remarks or explains it. I though he no where particularly muft confels 'tis hard, nay almoft impoflible,for a young find out ufe Learner to why or wherefore Mr. Cunn made of other adequate figural Exprefllons inftead of thofe b^ firft propofed. But I ihall in fome places in this Tfa"fc ting that have occafion an laft Gentlemen two who Author The wrote this on Aberdeen at j"ro"eedswholly remark to of tor his be careful what wrote Book and Book, the neitt to now Foot before (for the Sake amifs in Chap. but d" pafics into of the Arithnietit o^As fi'eely that he MalcolrH^ I hate nothing of Ml*. ; it he therein as (rfthe treats 1734, young Iiere ad^ife fecond a Learner the Edi-^ Edition, ) to to toitedb ocightto bd all nev(^ anil th"J Isriflt. Th6 except its Rule, the firft Eiiample in general well anfwers itt Title, w^ Aphin^ eaff^ PraHkalr Fraffidns, h"tb Vulvar and compkat Syftem.of is Decimal cbe Year his Method on proceed Subjeft, viz. But the on (hall thoie on ff^tigbtjA. M. Writinglikewife in his Treatijeof Frac* who ; Decimals. Infinite Remarks more Aleicander tionsy publifliedin the of few a therefore 5 ingenious Mafter make to this on \ and I Snbjeft of The next Hands, was know Fractions Book a on very xvii. if there not of whidi be t better Bek)k Oil its ^itt. this* laborious which SofbjeA, aftd curibus came* to t^f Performanc"i of of Cbicbefter^ erttkled, A ne^y Benjamin Martin com* and pUaty univerfalSyftem or B^dy of Decimal Arithmetic^ fo late Where the Author in his Preface, printed as 1735. of lufinite Decimals, %caking of his Management lays. Mr, The Foundatibn* on whict I have C 2 bailc diis Soperftruftune if INTRODUCTION. xii is Mr. But that and it CirculatingKumbers having great Mailer Decimal of fmall, but learned^ Treatifc of the Doftrine C"""*s in great Meafure be of ^rvice a might clofe and lay it of out laid the this to Remark. Foundation the vulgar Ken, Students^ young to their View. open more with aod ; deep, I thought litde a dif- to had therein heartilywiih that Mr. Alartin this Subject, for the SAke been of the more copious on Student. In my than Opinion no body better qualified young made it exceeding eafy and familiar to himfelf, to have I could And of this attempt In which, how rity: to Capacity common every others of I have Not Decimals that in all bability proftill in Obfcu- fuccecded, but be far, I I take muft leave this Gentleman's far, the beft very publifhed, or was ever done, remained that altogether, to Book, Syftem well he had had mine determine^ to which *, perhaps fee expefl to ; containing their Arithmeticallyor Geometricallyto Applications whether in the various the beft Advantage all ufeful Knowledge to Arts, Trades, and Bufincfs of Life : In (hort, it is impofof this his truly in Commendation fible to fay too much that this End the The of hope can curious and new Age Syftem this Book laft Book Subjed, is Mr. or I have wherein Vulgar and fiiUyexplained; with manner is of valuable a whole Decimal, both Method of DoArines in which and managing Mr. and in Numbers fet in in I wilh a feen at the four this on compendiousSyftem 1738; Fractions, clear Light, and year and followed he hath its treats the Infinite Decimals, Martin^ Book, are and new printed of praSical Arithmetic^ the feen, that PardonV William be it is advertifed. where which will beft its Contents : Mr. Ckn9f% after much primary Rules. ingeniousAuthor the It a ftii- Pains. But I b^ Encouragement for his uncommon leave in this Place, with all due Refpeft to the Author, to table point out of to his Book, him an page hafiyor 171. inaccurate where Aflertion treatingof the vulgar Fra"bions, in their producing in their Quotients^ he repeating Decimals fome in the Body Property cwf fuch there and fuch affirms. That INTRODUCTION. "iv And h^ljj I tife prevailed upon Subjeft, after fo many I differ from As to itfelf on metical them in the firft, I thought the Subjedt, be fiich Students cially to by them learned think feveral the already on him fome a count, Ac- Trea- new Authors. And particularlywherein thereof. entirely by wrote being mixt with other more acceptable Book, the who write Treatife a without would Rules, to Management the might reafona^ give him me alfo inform I fhould That idly, this Place in ft. What this on I fhould that bly expeft Reader Tfie conclude to Books they have Branches common arith* efpeenough of Arithmetic. " And and I hope ferve as Key a here, which aflure that Title Page, Book declare Uiefulnefs hh for me : prove your In the fecond well *Tis but larger Service be to Ihould how which, will heartilyat Book my Subjeft. I have that Reader, my the as found. made every I have a well it my its Bulk as who Place, things laftly,I utmoft anfwer performed, little one, than many And way that Authors with meet will Difliculties of will myfelf, mine any elfe where no in Reader my are this that feeming the with on me the whole, all meet I flatter Foundation, fome open may before gone upon here to Learners young hav^ without not firft Place In Ae the fecond. to as 1 yet fuch ; deavour Ento let hope as my School in Santm, its Author. s^^JLrw..740. " John \/r Marsh. DECl- my- its. it is, 9 From its (O DECIMAL ARITHMETIC MADE SPr. PERFECT, ^m^t^titmm^ti^mm^it^iJmmmmimtitUL^A^thmt^am^^mmmm^mmm^m^ I. CHAP. T A WH preflionis, hath been going other for Infinite, or an Definitions the already (hewn Introdudtion. and And Managcmeht each the DifiTerence, or or they occur Figures i. 2. 3. ( as which will foon any or The of thefe, and we Produ^, are The 4. 5. Csfr. be all other many known kinds readily give can of their jQuetient ; I (hall or of in Point Pkce, Ufe Order or and to ) prefix of Advantage appear. Definitionsand 1. there as Ex- in the fore* Propofitionsneceflaryto of circulating Exprefiions,before Sum, Decimal Circulating Propofitions. Figures) continually repeating in Numerical late, Expreffion, is called a Repetend, or Circuthe firftFigure ) And ( for they are fynonimous Terms. Repetend, (or Figures) of either is called the Given Figure, (of Circulate. Repetends 2. 3. A are either Single or Compound* fingleRepetend i^ that, wliich confifts of GV. 7777 in the Qiotierit Or : 4444 repeat infinkeljr in the would Quotient: infinitely repeat continuallycirculating: where 8 would repeat As one gure Fi- where 7 would (^c. where 4 Qr ^c. 8^8-8 in the (Quotient. infinitely 4, A or compound A 4. of 353535 repeat either Pure 6. O"" 1958158 1 belong i^c. nitely infi- repeat in Integral Or Repetend, 13587 general are ,007474 6rr. Ot ,0303 "5?r. Or ,0036700367 Numbers Or only Point. are Aj 6?^. 486,486486, i^c. ,370370 have or Decimal Or 6?r. Or concerned. 6fr. Or,i2i95i2i95 (^c. ,00384615384615 6?^. Decimal where Or Places concerned. Repetends Mixt 7. tient Quo- Figure fignificant no the ^^- ,0666 are the to and them where have as Or only As Quotient. iuch 45t4545 "r. 5 ,3636 Oras the Csfr. where 1358713587 the are what betwixt ^^- 3"333 8 but o*s or o a would 007 circulating Expreflions or Repetends Figures, or two mixt. or pure infinitely in repeat where Or infinitelyin Repetends, 5. (^c. 007007007 in the Quotient: would would 35 Or : of Figures continually circulating: places ^^' where more confifts that, which is Repetcnd fuch are as have Figures prefixt before the exhibited of which are Examples fbme gure fignificantFi- Circulation or in the begins ; the three following Cafes. I. CASE Where Examples^ Circulation Thus begins ; "?c. or ,5333 only are ,263434 Decimal (Sc. CASE or Places before ,62057845784 the Gfr, II. " Examples^ Decimsd and Thus, Or tfr. are Places, before 36,777 2,4777 or Where iSc. 6fr. or 159,10695757 either or the Integral, or Circulation 3,842842 52,38444 both Integral begins ; "fr. 6ff. or 10,5473587358 i^c. CASE (3) CASE III, the Repetends begin Examples^ Where Part with Integralsbefore them. Thus "?r. 57,777 Parts, viz. As ,26 form Repetend, Finite a in the ,5 the or Mixt Every 8. and and of Integral 6547*4^747 ^^" or a Parts make their fevend following manner are ,03 commodi- moft are the to Circulating Parts which the of Parts Finite federal oufly diftinguiihedafter two : concerned not are the Both ,0005784. CirculatingPart Cafe I. preceding. There are their and Circulate, confifts of or which the ,620 Circulate, Repetends; 9O034 Fart Examples the fc?r. 329,494 the "c. 87444,444 or or in ; viz. 1 03 26 -J0034 5- {^0005784 620 Obfcrve as to there prefix Point. For in the the 36, the 159,1069, their ^007358 Both after the the the Finite feveral and which and 2,4 the Given it and late, Circuthe cimal De- is manifeft. ,2634 ,26 l-,oo34" of Examples 3, are 5 before Figures betwixt of Reafon The j5-1-j03=,53 Again, And Places are o's many as the (^c. Cafi II. preceding : Ther6 ^^^ the 52,38 the 10,54 of Parts their feveral Circulating Parts are Repetends: ,7 ,842 ,07 ,004 ,000057. Parts are moft following manner 36-1-7 3-[. 842 24 5238 commodloufly diftinguifhed viz. i " f \ 07 I 004 1054-007358 Here being no Decimal Places before their Circulations are no begin, therefore o's there prefixt to their Pares* given Circulating 1591069-1-000057 NoU^ (4) " Notiy of Number The fitly (hew kte, moft Given of Decimal Number the each prefixtto o*s Circa- Places in Expreflion6201- 0005784 And note de,620 l-,ooo5784=,6205784. 24-! 07 their feveral Finite Parrs denote As : the And 2,4-|-,07=2,47. i59io69-[-oooo57 denoD^ 159,106957 fcff. 15931069-1-,000057= "3) lailly,ii^ And the Cafe III. preceding : of Examples moft Finite and Circulating Parts are after the following manner diftinguilhed Their As 329,494 6547,47 fc?r. thus tfr. thus Here concerned not feveral 7,0. to Finite 7000-I-945000. the 57000. their form or their feveral and \ 5 Integral Numbrrs^ Circulates, are their Parts Circulating are 945,000. in muft it, care be taken that Single or Compound Given Places the Parts 6500-I 4700 Examples of this laft Form, where the fore begins in the Integral Part, with Integralsbe- Note^ That each make 47,00. 9,40. Repetend 6500. 320. 50. I 940 320 ^^^^ 6?^- 57945*945 viz. diftinguilhedthus 50-|-70 fc?f. is 57,77 ; commodioufly in concerned the we annex as many o's ta tegral Repetend, as there are InCirculacingPart preceding Point. Decimal tht Finke md Neceffity of righdy diftinguillihig Cir":ulat",wilt CirculatingParts, as above, of any Mixt and by" appear by The I am very ia the laft xs^a fenfible that the Form, the with wouJd the not two might Dtcimal Ptirts Circulatinsg Repetends, which hy TransfomHUioH be Point and then made their be perplex tlie yowg together, therefore I omit Loaroer with teo occur gin be- to Finite diftinguiAed "fter the above. fiicasRplesin CafiB.ll. wookl firft ; imy many and manner But Rules it. And I (5) And avoid to the Given down Cbmpoand, Repetend thaii more ^ke ) Uuftration TroaMe the for the future of Circulate, whether or iometimes ( except once (hail henceforward we for II- each diftinguifli by placing a Period over the firft Figure, or laftFigures of the given Repetetxd. the As 7 and s thus 8 Expreffion 7777 the as i "r. thus diftinguiflied thus "r. Expreflion4444 be wiU the "s?r. thus 4 and 1 "^. 88SS fingleRepetends. ^f' Expreflion 3S35i5 G07 and ; thus Proceed we " 35 "^r. 13587x3587 Repetends. Compound the firft and over " And writing Single or j Md thus 0(^^607 13587 5 as now, " 9. Finite the find To of any Value preflion CirculatingEx- : OR, How to or or find a Vulgar Frafkion petend equivalent to any ReSingle or Cctnpdlind, Pure Circulate, whether Mist. C Of jt Pure S L B Circulates. RULE. " TRThen t^ it is equal to given Circulate as as Hs there are Dedivm) Expreflion a a Vulgar Fradlion is ^ Places o*s anneatt many D^imal PoioL and of as whofe in the Figures there happen z to Cifciiltfe^ then Numerator wiH its Denominator D Pure gvfvn be as is the many 9*5 Circulate, with be o's betwixt it and ExampUU (6) Examples. (0 ^' =-| (3) 05 . (4) "oo8 ^9) 0053=^.CO) '053=fo- 75^436 ^nj = |-. (,2) ,03= ^ 3367 . .0745 ,'003367 V , . .345 ' ' " r^ (14) = 99 9999990000 = ^. = And (") " ,5 .000;=^-^. (6) ,57=1(7) (5) gf = i. (2) ,3= (15) 0001=: . 9999 999999 II. CASE Of Circulates. Pure RULE. of Expreffion is a Pure Circulate confifting Integral Figures, then its Finite Value" or Equivalent be its Numerator to Vulgar Fraftion, is found by making the When are o's anncxt many Figuresin the Given Circulate, with the Given IntegralPfeces of will its Denominator to as be Circulate and j hath 9's as the Circulate many as it, as there places of Figures. Examples. 99 99 94.000 343^=*^- (4) *, ' (5)46.58=" . ^ 99 465800 " " ,,. ".(6)347.347 99999 999 435782000000 ^ ' 999999 KB, (8) f "*" (2) "475 ' ^ o _ .348573+ , fir. (3) a?53^^ its E. 34^'"9^!"-\0005734 " " " " 99E ggo " ^"^' "' ' = "= " - "^^ S. F. 5999000 (4) 36,7 Be, ?^^ = ^^' E. its == 5. F. i. E- .. quivalcntSingle Fraaion* " (6) 20.046 fif. '"^* = ^^o "^^^ 8347 X999-V 00046 "*. its E. 8 3 1 1 9 1 34 __ (7) 8.3"740" = ^9^000 99SOOO S. F. II. CASE Of Circulates. ASxt RULE. 'When the Expreffionit a Mizt Circulate, which Integral Place, then its Finite Value, in this manner is foand fcnt Vulgar Fraftion, and down its Finite Part, (found by Jtt. 8. ) Figures 9^*,as there are Wace"of by as or in fomc : begtot Ecpiirar Firft fet multiply it in the Qprca many Rcpctend Part, of the j ( found the Produft to as above ) and icquiz"d Fn^n. of which that And Sum add its Circulating (hall be the for its Deoom'. Num'. uke as *many (9j g\ many as the Given this Fra"ion and Ex. (0 Circulate ihall be its hath Places Figures i Equivalent Single Fra"ion. 50^J:r 5'7^77 ^c. of = 5"". its E. S. F. = 9 9 JE.S.F. ". (3) W5.8475"* ". 13Z51!S? = its E. ""2^^"2^i" = S. F. 9999 " " -"*" (4) g^^^ *""" 57945*945 =* ' " ' S. F" its E. 999 ;r* "Jt. its E. ^- ^r'k (5) "7"x"*"9-V4""o "^:.^ 07444*44 ^^ ""V V^* -^ '''^ I- I m* "" 787000 ^ 11 I i" S. F. (6) 5794^7^94^ ^5794100000.^^3 ^"^'= ^- !^^ ^-^^^^^^^ p. 9^99 " ( In thefe and the foregoingCafes t " liave exhibited Eit- that cah, I think, pof* all the Varieties amples, by which their fibly happen in Pradlice, may readily be reduced to Equivaknt Vulgar Fraftions, 172"r ( Tie And is to eqaal divide turns to Proof am I chofe felves, to a Pure, fendble to fet fear the for I Ihould But a Vulgar Expreflion. Vulgar Equivalent Expreffions ; lower down firft offered they as Operations (hould now proceed fliew to Expeditious Method, Vulgar have too appear them* complex Pra"itioner. young more Quotient of the above-found that many them if the then Circulate, you Mixt the exa"t to muft Circulate, you and or have reduce would Mixt or founds Fradllon Equivalent Vulgar its Denom'. by that you very Proof. Pure, Given the out Fradions but Given its its Num'. certain I Chat the prove ) *o FraAion to how Mixt any a eafy, more to Grculate find as well as a Equivalent the Expreflion. previoufly to this, it is neceflary that ihew I here a Method. lo. I ft. How Number of to 9*s in a multiply very any 5674 be given be to Number by any Compals. narrow Example A8" kt Given i" multiplied by 99. Operation. Here Therefore 567400 Subft. will leave 5674 is 100 the times 5674 given Multiplicand, and it 561725=5674x99. Example ) ("" Example let Again, be 715892 2. gi^en be to multipliedby 9999* Operation. Here Therefore Subft. will leave 7158204108 be 475050 it 715892x9999. = given 715892 given Multiplicand, and the 715892 Example L"t times is ioooo 7i5892oocx" be to 3. multipliedby 999999. Operation. Here is 475050000000 Therefore Subft. the 475050 will leave 47505952495" From that to of it given Multiplifand, and 47505o'"999999- = preceding Examples it is very manifeft, ber multiply any Numerical Expreffion by what Numnexing 9's you pleafe,'cis moft readily done : ift. By anof then, 9*s, and from given Multiplicand, their Produft required. the exadt if either, that Obferve, Decimal, perationwould or have Finite Mixc been the the Method of Increafed, will Difference the Fadors had Expreffion, yet iame; off the Fraftional mark'd to a both or Part tiplier Mul- the as it thus the fubftraf): Finite given Multiplicand, the o*s to many confifts have 475050 the three as a times loooooo be been the O- only then you. muft. in the Produd, cording ac- Decimals. common (2dly,) z I But let . added to the us fuppoie fome Produdt, where Number the were required to Multiplier confifts of be 9*s. only. " Example Example Let 715892 whofe be %vttn it is Produft Number fought i" be multiplied by 99999" required to add ^ere 5746: to to the ? RULE. In fudi fore Cafe" a when direded, it wiU be Number add the ( which in this Example 71589205746: candy and from then Multiplicandis the 715892O0000: Number is and ) and it will fobftraA its Diffcfrence will the be to the be^ as thk to required 5746 which inereafed be then ereafed in- added" become Multipli^ given Number foqgbt* Opefatnn. 71589205746 Sul^.. Multiplicand inereafed, the ^ dire6ted " 715892 Axifw. given the Number ExantpU Let whofc 875492 Produft Number b^ given its required to be to laft % the 71588489854 as Multiplicand ;. fought*. ^. multiplied by 9999991 add 896^:47 : ^ere t" the fought ? Operation. Subft J ^7549^*9^547 *^ Multiplicand inereafed, the Number "c. hMAi Afifw. 875492021055 ^ " . , " , Example Let Produft 57 be It 11 fought, - " given to be laeqttiredto 3. htuklplied by add 49^00 : to gggg^^ S^ere the whofe Nudiber fougbs? OperatioHi, *i. OperaHM. X ""kfl. the " i 57 Anfw. the Number 5749443 If thele Examples then Learner, well are underftood folIow3 in the next what (horter A fought. how Method, of fhew, to Mist any young noeci no wHl find the Finite to Equivalent Vulgar Fradtion, the the by Artidp Therefore I fhall proceed lUuftrations. 12. Multiplicandincteafqj, "!?^. given MuUiplicaad J tbe 5749500 ^" Value, Circulate or or Repecend. RULE. the Mixt From Circulate before ftand which its Di0ereace Note ^ ft.If the Circulate I xhe Numerator, begins next its Difference, muft Denominator Places Figure of Figure or the with Figures, Circulate, and foU the three Obfervations. lowing then fubftraft the firft the above, as be as the Decimal below is the Numerator Point, and ; its 9*s as the Circulate confifts of maey Figures. of ft asy PJac^, Qqt Aext^ Ibut l^ecjmiajPlace, annef as many 2iflly,If the Circulate bc^os any o*s to firft above * the 9's 9 or Places of the for Figures between the its Denomin^or^ Decimal Point as and muft are -the be as direAed. annex as .as l^igere of ; Circulate be^ns If th^ Circulate directed, Point abovefaid as of the Circulsittip* lt% Numerator Figure 3dly, then the elfe, below where and o*s many there die are ^iven to IntegralFigures, the found, its Numerator Integral Places between GrcuTat^,inctufive its Denominator confifts of in Places muft of E be as ^ many tbC above as the firft Decihial 9V ^s tl^ Figures, 2 What t '4) What faid above been hath will be beft arorehended the following Examples, taken, the preceding Examples Learner how than of Mixt for the moft part, Circulates, that by from the tentive at- might eafilyfee, by comparing both much more expeditious this lad Method gether, to- is that. Examples for Obfervaticni. Here (i) s^y sj Therefore 5=52. " is " its E. S. F* 9 {ue.) Equivalent " " Here (2) 100,47. 5217 Single Fradion. 10047 100 " = 994.7. Therefore s. F. j3 jjg E . 99 " " Here (3) 347.584- 347^37 i5 ij3 " 347584" fore There- 347=347*37- s. F. 999 (4) 3,842. its E. Here 3842 " Therefore---^is 3=3839. S. F. Here (5) a7"54753- ^254753 i3 jjj ^ fore There- 2754753"27=2754753. s, F. 99999 1. Examples for bhfervation 25 * Here"7 (i) ,27. " 2=25. isits""S. Therefore" " (a) "476E.S. " Here r 475"4=471. Therefore F. 471 -^ is its F. (3) " *", "i " r (i8) Examples. 7 " 8 " . -^- As rt 6 " And ooo8. ==, 990 9990 99000 -^ And ;oooo6. 5te " Anjd ,007. And ,0035. = 99999000 ^ And ,00000475. = " 9990 and ,0000075843 /^ T^ =s fo 9999990000 on, 7*8 Notey ThcExprcffion" = And ,075 =:"ooo8. 90 hath been affirmed in the laft three what Now 9000 Articles, might all preceding eafilyproved by Divifion in common be DecimaJ^ only. other curious Remarks which might be many this Subjeftconcerningthe Properties of Vulgar There made are on FraAions which ; ver, if he trom the learned attentive Learner an the reflefts on carefully with fingleRepetend might A 17. pound Repetend. or ,4444 Or It Thus ,44444 might ,44 fo and be made " be made ,4 to the be made might as be made proceed Article. next a Pure ,44 or Com,444 or " " " " Introdudtion, fTdllis ; therefore I (hall not Dr. farther therein, but fhall haften any eafilydifco- gether foregoingExamples, to- tranfcribed in my I have what will on. Mixt a or Repetend. " * Or ,444 ^4444 " " or Thus . ,4444444 ,4 might . and fo on, as Neceffitynaay require. In fine, any given Repetend, either Pure changed^ Number into of or another. Places, or Mixt, whether may be Singleor pound, Com- transformed, or Repetend, confidingof the of Places a greater Number of fame of Figures ('9) Fjffurcs and pleafurc\ at will retain the fame New yet, ftill each with its firft given Value Expreflion circulating Expreflion. RULE. Write the Given down for its Transformation petend and ; of Places many as Repetend then often as mark Figures, for off as is as neceflary New a Re* required. are " Thus the transformed be Expreflion ,4 might " into "44 or " " C^c. "444 above. as ^ " " " " ""o or ,5757 transformed into " "' *575757 be might Expreflion ,57, the And "" ^C' *57575757 " it R O be transformed might into ,57575 into or and ^5757575757 fo " into 95757 into )575or on, or Neccflity as require. may " " Expreflion 93863 might the And " " " be transformed " " into " . ,386363 into ; or " or ; " or into the fome t^c. as with, is above or equal to of my ,44 " 1 " the " not is of the " ; or ,444 Therclfore, for their demonftrate. Expreflion 94^944^444" may " " to or " (ift^) That Readers a0erted.. prebcnfion^I ihall here ^^or into "?^. CirculatingExpreflion ,4 " Value ,38636363 " ,38636363636 probablethat is very perceive that eafily fame into " ,38636363; It ,38636363 * to better ,444 Ap- " ,4444= " F " As ( ao) " L When of Nmnerafior the the the other of the one Exprtffionyas of this. that is to the Denominator of Denominator the as theone of NomcnMr of the Numerator Or Exprefllon is to other ExprelfioQ its Denominator. to For 7 is then the Numerator its Denominator, is equal to 28 7 words, Expreflionsare 12 ^"i^ - Evpreffion is to in ether = J. of difierent 3 aa M M E Fradions two ether" the S757 G?^- y57S75757 eaeh " Exprtffion 957=^5757=^57 that the alfo As If ^ Exam^e^ 28 to or ; Aod when ProduA of is 3 equat to ars to 7, as Means is 3; is to x2, as 28. to thus four Nunobers.aMr^ the , is 12 thm ~- Proportbnal, equal to the Produ^ then the of the Extreams. For And equals ai" the PvoduAs the Denominator then, Hence moreeafe, two of the the other by can the might iboner, we whether two, any toeqiial. Method common Expreflions of NumctKor of diflferqatExpreffions are wo different the onie btf will alfo be equaL alternately by this Method determine, of Fra"ions of the Means. of the Extreams. the Produ"i when Wherefore of the ProduA 12x7=84 3x28=84 of or and with tions Frac- more. each atbss^ tbaa fomctimes many and rtltf tedious E"Mfions" t I come now to prore (by ^r/.9.).Iam 44 444 to 4444 that pEove 99 999 9999 ,4s::,44=,4ft44 that 44444 _ " the Thaei" Expreflions 444444 _ 99999 Af^ " = /;"",_ 999999 equal (a. equal to each other, and ) confequentlyequal them" among ielires. # xfty Becaofe the And 4^999=444"^9=399^ And 4""9999=4444^9=3999^ And 4"^99999=44444""9=399f9^ And 4""999999=444444^9=399999^- forafmuch Now, it is manifeft bove are quently equal the Value ieyeral each each to one each of nately alter- fore other, there- Cxpredjons a- di"renc other, and Which themfelves. among of the other with compared that equal in Denominator the the Numerator of the Produfb as ExpreflSon by equal, when are one =396 4"^99 =44x9 was to confe- de" be monftrated* pemonftration will alio prove ^'" Expreffioa t57=i575?'=!=*5757S7="S7S?$7^? is that ^7 ^7 ^,.. ^ 99999999 999999 9999 And 57 57''99- 57^9999- 57575757 ^75757 ^ ^ 99 For 57^999999-575757^99 adly. It remains that I alfo ^ove "?tf. Or =:,444=:"4444 =,44444444 "r. dut Exptelfion"4=,44 equalto j444a="4444-fei444'H4" however or die thus varied. " likewUe So " " "" thus varied. iwwcver That that " " the of like Method The thac ". ,57575=,5757575757 the " " " Ezpreflion ,57=:,575=,5757= " ^e. however or F 2 thus varied. Denuni' C") DemonfiraticH. Now Art. (by ) the Ezprefliont4 9. ,4;=*-? And 9 4 = = " .909 . 9 4000 , And ,4444 = 4 = - " - 9000 where And F. ! 400 ,444 itsE.S. " = 90 And = 9 Expreflions are eqaal to Expreffion, they muft be equal each one themfelves. other, conlequently equal among the and each two, or more one fame ; Therefore " to . which "r. ,4=,44rr,444=^4444 to was be demonftrated. " " I Again, fay C^c. ,44444444 that "444= ,4= however or " " " "4444= " "4444444 thus varied. Demtmftratkn. A the Now Expreflions ,4 == before. as " 9 " " ,444-^-^ And 990 "" . " '1 j 9 4400 4 9900 9 . . * * 444000 " A And J ,4444444 =1 122 =3. 999000 ' . - \ " And ,44444444 9 44444000 " J =3 4 iiZrt s* 4 " 99999000. "_ 5 And in) where And two which to one " " " ^4444444= ,4444= ,44444444 be demonftrated. to was " ,444=8 ,4= equal . " " Therefore "c. Expreifionsare more Expreflion "f die iatne and or " " jdly. And laftly I fay , that the ".*""-" " Expicflion,57=, 575= ,' " ^^-w "5757=*57575-"5757575757 however thus varied. Demot^rattM. ( by Art. Now 57 :: ExprcffionyS7 9. ) the " =* ~ :, i" EAF. 99 \. And ygys =s " 990 And g^ =^-=H .5757 9900 And g^ "Z222 =6^? ,57575 =" 99000 where And the two or 9^ Expreflions are more Expreffion, they mul^ fame " " other, confequently equal equal to be equal each one themfelves. among one and to each - " " " Therefore which "c. From to the of of , " be demonftrated. foregoing Denlptiftrationsit any transformed ing " y57=y575'=^575?=,S7575=yS75^375757 was ift, That be " the fame or Repetend/or Given changed Number into another ;of.Places, manffeft!.^ li ' of ^ a confift- ber greater Num- Places of figures /at plcAfur? j .^d ftanding fuch TcarisTorn^atiop^ " Circulateji'ii Repetend, or " notWrthj^eit', new' Exgfefiic^will " * " retain ( u) its firftGiven with the iatne Value tetain CirculatingEx" praflion. .-" 2dly, Hence ptncioqa Ufe of "C and 8! 19. " end Q topre be Repetends ipigbl be nade Neocffitymay requim. The |"efi in feen that by .fuch Transfer- too, together,ta Addition and Subllra"ion, proceed, tQ either Similar Repetendsare Similar of leam may which^will But 1 tw^ 4Qy begin to we Like or DUIimilar. or Repetends Rcpatcndi do begin their feveral firitFigures fuch, whoie are Point before or after the Decimal ) and ( whether of Piaces of Fig^ves. fiitof d"e ianM Number Diffimilar 20. Figures of their feveral before Place, ( whether of confift not Repetends are fuch, Repetends do not begin after the Decimal w the fame con- firft in the fame Point Places of of Number do whofe Unlike or Place, fame in the ) or do though Figures, al- they do begin in the 6ufm Place. How 21. to to Similar trinsferiR-tWQ ift, Make all the then the Place from found prefledin or tbey $n as togethers many all made convenient to take their Sum, the feweft Number of to Poiot. 2dly, let each Places to ftands which of of tbv Figures, beg^n tpgedber, feveral Numbers of Kepetends. have order by b^ins, of the lyiultiple in all the Given ^.J9. It is moft Multiple, in of begin togedier, (by to the Decimal all end confift where One below them b the leaft Common Pbces that or make Repetends Given a9 to above ". Repetends where Transformation) And tends Repe- Repetenas. AUL lowdS:, either Diffmilar siore or their leaft Common or Difi!erence,ex* Places of Figures* Some {a") " I take N.B, down the ;" us abere, until I nudce the Divifor 5. " * Example Find the leaft Common 2. Multiple to 2 . 4 and 5. Divifors Btvifors 2 2.4.5 4 2 1.2.5 4 " 5 -5 ^i^. leaft 5 is their 20 Common Multiple. " 20 Example Find and the leaft Common 3. Multiple to 2 . 4 6 " . xo : 12 15. Anjiv. Here is their leaft Common 60 follow transformed or Examples of changed into Similar the Multiple. Diifimilar oks" Repetends ^ . Example { ) "7 Example Difliniilar made i. Similar. Here they all are made begin together; "4 CO '^57. where that gins, which k"wdft from One "577 ,083 .083 beftands the cimal De- Point" Example Diflimtlar made 2. Similar. pHcre 77 is 2 thejr Common " . .54 f54 leaft Multiple. -" /" Example DilHmilar made 3. Similar. " "475 " 1 Here they made all are begin to " .3*4 " " "4;547547 together, ,32424242 bove " " " and *59595959 leaft .32.7 .32777777 " as diredted 6 is a* \ their Common Multiple. " "IIIIII|I Rxamph ( "8) Similar. made DiSiinilar all they are made to bqgin Here 475"39 475.39 "7"5 "87.58 " I- " as direded *" above and 3 is " mon leaft Com- their 543"54 543* Mther, to- Multiple* EpcampU 5. made Diffimilar Similar. 57.777777777777777 8,49 8,498498498498498 7.5647 7,564764764764764 ,803574857485748 ,8035748 Here 12 is their kaft Common Example Multiple. 6. 24. A y ( *9 Finire, A 24. preflion, require may not fo low loweft when in it, to where as Order the as that ; Finite One Determinate made be may o's many or of Similar a that Repetend one Place. But Order of begin together, immediately the Finite gether, as Varieties, Addition Eroreffion before which of the ; and directed. I fhall with muft Naitf exhibit Single Afid Compounid the all In among be ftands aU fiirfto" 19 mt^e p motexod 1b made Wt this Ctft than loweft be cnd.totfi there aw a- the.Exaiiqdwirf* CircwatDi*. 4 " Ga that lower or muft fbuids obfenre, to low, as Rqpetends reaches begins, which careful as Example Bxpreflion begins, which Repetend that then be reaches Expreflion in the Finite the Ex- by annexing Rmetends is, when Decimal or Grculate, Given the where Place, Number, I " " CHAP. ( 30) CHAP. Addttim IF Circulates of Repetrxlds given Art. Similar, (by Repttends. or for Sit^U Circulates. Rule the 11 Diilimilar, make are Example the Rigbt- cotififts of Single Oircu'ates only, add up by 9'fl,and place the Overplus, if any, its bottom, for a Single Circulate o at ; hatDd Cokimn 4f nothing, Place a for car^y One every add and \ ufual in Addition fiibfcribed 2dly, Units many in that Column as where and id's as Figures ibught. Circulates. confifts of Example there or, "next the if any, by Decimals, and the up all the Columns, this Caurion, viz. to lo's, with as the to Columns, for Compound When Column diat add Circulates add in (halt be the Total bottom at found 9 up the other of Common Rule But all if the ) ift. Then, 21. dtem when made Compound Similar, by the Right-hand Column lo's, ( mentally * found are all the Circulates do or made are } to tom begin together; and then the Figures fubfcribed at the botof the Circulatii^ Columns Ihall be the Circulate by lo's, as above fought I and add up the other Columns direded. all Make Author means ^ Bv mentallr tal Cowmns, are be found may carry to the found, thus Right-hand its definiM t)"t vou Column add add previooily (the cimals, De- as up many the feve- are to in 1 : where the Repetends below ia the Pbces how oider in to io*s dif^over together, begin many mental that Addition elTe fometimct that Column, by ; wnich all made for Compound Repetends" (i.e. the Repetends) Conterminous, Similar) and then add as in Common only ' Rule Cunn'j Mr. Unit ihort of tut Tnith to the firftRight hand do or may you Column. Units (3' Units there as lo's in that Column are atbrefaid then and begin t(^ether9 all ) Repetehds Figures fubfcribed laft of the firft and fliall be Columns the the where to the the Repe- tend" Mr. of this Rule Cir/m's Mr. fome a general Rule bring out the true it is not univcrlallygood for he gi^es the followingRule. Cales, yet in page and is infufficient for it will fays, that though and ii.) complains that ( in his Preface, pag. Malcolm 479. 1 in Anlwer all Cafes \ Repetends ) all Similar, then take the Slum of the Repetends upon a feparatePaper, and dithe Tide It by a Number confiftingall of 9*5, as many as of the Number of Places in the Repetend \ the Remainder is the Repetend ^of the Sum, be fet under the Divifion to if it has not as Figures added, with o*s on the left Hand, the Repetends ; the Quote is to be carried Places as many Make to them the the (u Column, next and Cafes, Prafticc, my their divide oiF Places I indeed And 76, and fage the lowing bis oWn I of api Rule own as by mine *, left Trouble : and*! for all think it eaO^r for for ' Figure$, fcf^. of fee but 3d 2d ' ' can in Examples, two viz. the 4th In throughout Mr. Cunn% lying before me ) where Milkke in adding them by fol" page 77, Edition now Rute Opinion in is univerfally good s too polliblyniake he could done ' the ( it is Book, Addition by adding up the Caution^ as aboyefdifefted,you mentally Sum bf as niany 9*s, ^ the* Kepetend giving as "kepetendswith confifts Malcolm- is that of fo the ^ of Mr. Rule the reft of and R^les^ common This the e. :. a but he as that Mr. avdded happily Cutm ftridl a. manner, as himfelf ( have it in both, underftood his cabtiouflyword* edn^ne. N I vras Learner wiUing might And to exhibit chule which the Reafon why Mr. he we Makolm*% found Ihould Method^ihat mo"E divide eafy for tht tice. Prac- their Sum by as^ (3* as ) 9's, as the Repetends confiftsof Places of FigurcSt who Aiall attentive Reader, to plainly appear every many muft reBedt on hath what been faid concerning Equivalent Vulgar Fradtion finding an I ihall now Exprcfllon, ^c. proceed 2,6 Sum I fhall pie, make Sum Sum 2,00 thiougbqut Addition, except fuch CirculateS| ufe of as of Method Circulating give Examples. to to the any 1,2500 in the = 1,25 Jaft Exam* offer themfelve$ in my might have a Proof "2f the Principlesof Vulgar his ]"camples from Fraftibns, will be fo many ufefiil,a$ weU as eafy, Illuftntioog which I fhall have this peculiar Adand by which to the Whole ; ^f fewer Words, which otherwife of making v^ci vantage^ bewould be unavoidably nece0ary, and fo fwell this Book its intended Bulk. yofli4 Tables annexed ; that the iUanier Blufiratms tf tbtf^r^dug Exampks. " 1 J. i. = " 1 =."" la (3*) ^ ": ^ ^ ^' ', (4-) . Difllmilar made 0? Similar. M ;.! 5.^8 5,68888 ": - 4.1^75 *" -^" loweft " ' Sum That is where as in Order- of ?*** *" "J""fore *?" ^ 14,85555 ^^^^ Hfpctend governs this r. low, One Rcpetend begins,which fiands J 4"?a75o ' fo that .\ '. T=z the Finite Exorcf- not C ^ 1 I 4")Here " - , 14,85 ExampJe, they muft in where 4II txgin . together:which " " " ift " Variety. the is, ' - ^1 iv Be. L. -"J (5.) O ;^^iO?milar;^^,^^ made ^^ "- ^-- Similar. iHere ' 17,488/ 4^05 Exprcf- (^ 4,050 ' ".anl^; reaches V . o, I 1 1 1 y fi^.^nr fionf'4,o5 as where that One \Jow, as RepetendbqginSywhich -ftand" of 21,65c; Sum '.^^ That Finite the " I7"48 o, "; is 21,65 ccMapleat Plaice ^^^ . thtMjfo^c 5 this Exam- m P'f""f^^!^^y begin which I in Order ^^"V^ Expreffion governs ail _ loweft .c \ csUl ^ ^^^ together the : 2d Variety. ' r*. -: \^.^ r 1 "*. (6.) (35) 1 Eit. Diifitnilar made (6.) Similar. Here 5*3^ 5*3^666 7,916 7jgi666 teaches 5*5625 lower, than where that " 33^33333 ^ 1,5 , Repetend b^ins^ which ftands ^^^ ^f Pl^ce loweft ...^^A 1,50000 , SjS^^S Expref** ^lOn One 33"3 Finite the f^^ I 5^56250 thcrc- pj^j^ ^^^ "^^ preffion governs "^ " ; Transformation the laft the : as ." * in in Example. ^ 53"^79i^ been I have the careful more exhiUt the laft 3 Ex* eiven be added to to Finite where Expreflions are with Circulating Expreflions, becaufe 1 have not feen it (b before me cautioufly exprefledin any Author alfo to ; and the Learner's committing any Miftake, when fuch prevent amples, in Pradlice. fliall occur Varieties Illuftratumsof the foregoingExamples. In Example 7 2 . A -" 4 . Their Equivalent Vulgar Fradions 17^ I = " In JEx. They 2. ^ arc +* 12 to which add their will be their Total 3. ^ They' ^ ^ +* compleat. '^ ^ =^^ = 15 24 Integral Numbers 1,34,6 '^^*" 4320 (viz.) ^-Yyj^ and 84,3416. ' In "". =2,225 p- 12960 24 15 12 are 28831 ' ' 3 i. -^ + arc 9 "^12^ + |-4- LJ f^fl? 6 = " 48 ^ 31104 " ,71527, to which add their H Intq;ral Numbers {viz.) In ( 36 ) 1.85, = ' to which add their Total In En. their 48 lateral will be s. They ' Numbers and which arc add will their Total 34560 (viz. ) 4-^5-1 \ " 120 " = 9 their Int^al be 21,65. ^ " - 8100 Numbers =965 ^ 6. 2if2-. r= a They ,679 1 6, to -1-- -^ are- trhicfa add their com. ( viz. ) 4-1-17s " laEx. 4" and 14985. 45 pleat,to "6 45 -"--!- 4 = r IntegralNumbers " (viz.) 5'\-t4-53+7 Examples wherein are -l-5"and their Total Compound to be will be Extends or 53,67916. Circulates pven added. JBuftratiutt (37) of theforegring niuftrations Examples, In Example . They In"x.2. Equivalent Vulgar Their i are-+i? ' whicli add their Total their will be =1^=2 21 13 11-. 1911 Integral Numbers^ 27 arc ' 7 to i + Fractions viz. 1911 20 ^5, and =27,00732^. -" ' ^ '"* 1911 -rf 5 C 11. " Compound Of Dii/ifiilar -Bf. made Diflimilar (I.) Similar. , 1 ^ " " ,15625 Circulates. ^ C 562 500 Finite Ex- the Here preflioh governs iT^f^iiS the Transformation, as "2I , I ,36837" made latcs. Similar. " " '^He^e ,025000000/ the Finite Ex- preffiongorenis,as " .4594"9459r "459 V " Circu- , ,625 " Variety Single i^ * ' 2d ^o ^ Sum DIQUnilar the m " . " ,461538461 "46i538 Sam '" **" ^ ^*'"' pie. J 1,545997920 H 2 -E*. (3-) f 38 ) ^. (3.) Diffimikr Simikr. nude """ .777777 "7 " " "454545 " " ,814 ,8148X4 Sum 2,047138 Sum 341*5919989 Ex, Diffimilar " " (5.) made Similar. Here " 34.09 the 134*09090909 " 97,26 nite Fi- Expref" fion gyj26666666 not 9*08333333 reaches fo "e. low, fore Thereit is '"5 the " as ift Vari- " 0,81481481 0,814 Sum J ety. 242*75572390 Jllufirations (39) lUufiratims ef In 32 ExampU forgoing Examples. Equivalent Vulgar Fractions Thdr are- "05" 33 In i. the "". They 2. f art i? + ' 8 + ||i|= = ~ ' 37 3848 13 ".S459979"- In ",. Tl"y^ 3. ^ "Z- ^ + H + ' f^ = * 2673 27 II 9 = 2,047138. ^ XT, In Ex. They' 4. ^ 2,5919989, to 34-1724-24-162, \'" ' whkh and add thdr Ex. They' 5. ^ 187722 will JL be ' vt}M:h I r+:r: ' 12 add 22 I + ' 15 vw. 34i*59i9989" I h~+-:: _j^^^^^2^^^ jjj Z^^Z 79365 13 Int^ral Numbers, Total are 205714 = " ^ II their II __ 10 , +" ' 15 I In 1 "\ , are 37 = 8 14 ".L 2 their ' 27 Integral 106920 Numbers, viz. " " and i-l-9-l-97-l-x34" their Total will be 24""75572a90- \ Example 6. Eumph Sum fet my I have but the applied whole diem Examples Gyration to Money, above would or 69929497012285 as have Weights, abftrad been to the Numbers fame, Time, iiires, "r.' CHAP. or had Mea- ; I (40 (J.) Minuend 7,16 Subtrahend 3,26 That compleat is 3,9 " Remainder 3,90 lUuftratms of tbeforegmg Examples. Ex. I . ExprcOcd whole =1:6,083 And 6" Vulgar Fradtions in Rcpetend is 7 of " i " = " its Subtrahend is 12 ]efler"than the Repetend of its Minuend. Ex. Is 2" 10 4" 15 of its ed ) Minuend, where to which of Reafon in And whofe 3 is greater, added was i its Subtrahend, =6^66. " IS its Subtrahoid of Repetend 6 = before than the Repetend in the Rule ( as direft- the Subduftion began. The For do but is manifeft. all.fuchCafes the 3 and 6 above continued infinitely below ; then of the Right-hand Figure 6 from after the firftSubdudion imagine its oppo0te 3, Or 6. to muft we " i exprels myfelf 6 thus, ttke carry to the next in other ci from Equivalent o I cannot, " 9 Left-hand but take 9, " gure Fi- Words 12 from 9 and " 9 o the Remainder will be =6, " as above. 9 " 3. Is 7 2- Ex. For the of thdr 3" " Repetend of its Minuend" Remainder muft " 3 "=3"9compleat its Subtrahend then be as above. is equalto the Repetend the confequently Repetend of o. CASE (43) CASE Of Difimlar II. Singk CircakUt, Examples, (I.) Minuend Subtrahend 5,6458^ Remainder * I (2.) Diflimilar Minuend made ii"8i25 11,81250 r " Subtrahend Similar. 2"7 ' " " "^"7mr - , Retiiaioder. ^03472" M (3.) Diffimilar mad"( ^wpjiar. A .. :, \ Jb . From " 5/"$ 5.0333 ' " Take 3*041^ 3,0416 9 Remainder i"99i6 (44 r (44) (4.) DlffitiiflJir iikdc^mikr. ' Toot Tom . From 110^6 Take 110,66666 .*...".. 9^^45i3 94r,i4583 '"''':' Rimi. 1^,52083 ..Illiiftratms of the foregoingExamples. " 7 Ex. I. Exprefled Vulgar Fradions in 13-^ is 1 7" " = " 3.1s $t"ml" "Af. lb I : 19 : JBc. 4. Is = 10 510;:^ w Take lbs :o : lo Remainder 1,9916. from'ni"Ti""'i3C.'^ i Q^ 9 165" O* 3 Take 16 94 Tuns Tuns 10 2 C^*- C.'*' 3 t- 02 lb Q;;;' 18 i8 lb io-0"- 10 " 0"- Remainder =16,52083 Tuns. 3 ExampUi (4$); vibtttin"n ExmfUi CmmU R^ttnds Cimlafes or h to MtraUti, '" '. . \\ C Similar ^/ . ^S t E Compound , From Circula^, From ^ t t I* ' 1,3571448 Take :.,,.^ftg7'42 ,, JlluftratiMs if the foregoingExamples. Expreffed in Vulgar FraAionsis JE"f. 1. fiuyi' 7^,;.^ , 3,81 Take. "!" * 3 '^^^^ " " " i == " " - ,. II 6Ex, Is 2^ I . . ="=,5714181 " , r ". " " II. .:Q4SE , 0/ DlJ!milar Compound Circulates. " '^'ifflfiftl"3itnilar. Diffim^r " " Tal^_JL"857i ;i^2f?ii..:?, fv^fiSsTt^'-'T .fr.*"l ,R"n. 2 ,9285714 ""iV4MM"irir- I a (J.) f46) (2.) jMde Djffimiltf ttom 34f479"fi ^ Take Similar. 34.479166 17,681818 Rem. 16,797348 (3). Diffimilar " From Similan made " " " Take " 4,6i9i"476. 49619047 " 1.9545454 1,954. Rem. Rem. 2,6645021 ,5721153846^ (".) (47) Diflimilar Similar. made " From 10,5 Take " 10,500 g^ii 3,4^ " Hem. 79O45 Examples. JUuJfraiiims of tbeforegtnng M9(. io Exprefled I. Fradtionsis Vulgar " C'^- 6" z " T ^ e^"* C*^ 2 = in other Or C^- 85714 ~2,Q2 " word^ 14 *+ is it from C"** 6 Remainder is (^' 2 C^ 2 became leis 3. Is than 4 " " I, wasi direfted. than given the given of the the Minuend. " and 2,6045021 , . by 402 Repetend Repetend before of Repetend ," = -^ the added =2 " 22 X Transformation greater, I ^^^^^ 307 21 where =1^,797348 Repetend the ' 2 above the T "" IB ' ' 528 Transformation 16 Q^ 2 P - " 22 13 ys =s by that 16 ^ 48 Subtrahend 42 17" " C^*- 3 loHb*- x^ 34-" obferve take 15 Q[^ 3 22 Ex.i.h 8 the of of the Subduftion the Subtrahend Minuend : bc;gan, came before whereas was. (+8) I,,ol._3i=7 Sr.6. ^,=7.045 4 N. tory before other in Decimal Truth, there exhibits to its Difference above, Anfwer my is it,among Differenee true And the pretty near -|- by Approximation 7,04545 Method give so fFallis'^ Hif- Dr. give it its mathematically exafb. impofllble as Way, viz. from {Chap. 8.) who the Praditiooer direds I took Example nnmed^ Examples, a the Uft This B. the whereas, : exprelTed Dr. in by Decimal a For fince his time there is mathematically cxaft. in the Management made fo confiderable an Improvement Thoufands of Examples that many of Decimal Fradions, we now can might be produced, to each of which give Way, the Anfwer to true Labour with much And littletrouble. Exa"flnefs, with mathematical a \t is very poffibleto find . and out cxprefs Fradions 25. Before proceed I I Ihatl fhew by a how moft or viz. multiply or 100, new, to any acctrratcly. any eafy, and Multiplication, Sngl^, or "r. 1000, divide howco a Way, Rule, next to Method, after 9% the 10, a Decimal in Surds) to firft (hew of Number Anfwer (not Circulate Compound any true whatfoevcr I (haU 2dly, the a And^ MTvmfaierby cooipoftdiotis Manner. " rft, Lee the multiplied by Produds Single Circular; 10, will be as or ibo, or ,4 1000, ( ^ -f^ t"c. j be givoi .tp ^ the'fcvci?! And follows, " . * ' .-x4*io { That X 12195 is loooooooo vtz. X " to thos is 12195121, 500000000 z. = ": 41 = " 4^ 1 "?if. 12195121,55 the fame After be equal loooooooo 5 J proved, ^ ) 50 proved be to Manner Produd other each might alio true. Secondly. " I 26. to " divide to now come Number a (hew by a any Compendious propoCed Number Example Let Method, of how 9'$. (i 4) be 5749^22148887874482278975 by 99999. given be to vided di- RULE. the Separate of there where the LefcJiand. at having Columns, ( fupplying its Defed each in Figures End diftind into underneath) beginning Dividend is no Kepetend ) 9's in its Divifor, ( which are in 5 as wich are Places man/ as ( as o's at the the Number the above of Example: ) and Figures in the firft Column (57498) and their place them under the Figures in the 2d Column, in the 3d Column, Sum ( 79646 ) pllce under the Figjires take then and 5 the Figures, plaoe under of Places as below laft, place,under the ) their Sum and gd Columns, fon becaufc ( 168433.) Sum their fo continue and Examples, unto the lad to it conflfts of the do, as Column : you then they ftand iplaced,by io*s, Quotient required. in the 4th and for the fame (213255) the 5th and as the Figures than more Rea- 4th Columns, fee in the add and as following the up ( their Sum bers, Num- ihall be t * " " N. B. The of uhder Figjures the Divifioni or the laft Column they arc part of are the the Remainder Quotient, being (SI ) tbe Dirtdcnd when being a Declmftl Greoltte Integersonly, as in this Example. eonfifts of Optratum. 88787 79646 22148 574^ 57498 ] 44822 68433 13255 2 Quotient 68435 79647 57498 13257 92232 92232 is Quotient 57498796476843513257 99999 " Or I hare Thus " 5749879^476843513257,92232 its obtained Remainder, and Quotient or Circulate, by Simple Compound Quotient as a Mixt Addition only, the moft eafy of all Operations : and to do fee it required but 23 Figures in the iK^ole Work it you ; ufual of Method the and bewhereas Divifion, common by its fides a Reafon The there next want fliould Sum Right-hand ceflity for of why 2 placed, is, becaufe which more Thoufands, a true it would 238 Figures to obtain lels than not Attention, careful under the Figures, be Remainder, the 5 in the or a as to above juft Mixt K laft that Column added placed Praditioner the Anfwer. Column is is 292230, the Figures in there being no if any but ; the Units, in the Column, muft of Sum been have the coil ; Place elfe of we the ne- ioo*s (hould Quotient. Example Exampk Divide (2.) by 979891 9999 9798 91,00 9798 I 9988 is 97 Quotient ~ Or, " 97,9988 - 9999 The been needlefi have to repeated, annexM # in 998^ would Circulate the to placed, o*s mope been have it would therefore more laft Column, the in been there Columns, more oft as placed are Had, had have to have Dfefcft. the fupply order ,o's above two o*s. "" E^cample (3.) Divide (^c. where 3501,23022 by 2 would peat, infinitelyre- 99. OperoHoHi 22 35 59 3 Quot. In 35" this find where and I found 36 59 61 Example about it as the above 84 I 06 placed Quotient marked 28 22 50 at would 72 95 17 in pleafure, produce 39 a 61 84 order to Circulate off. The 5 (53) WW. -22 "J, why R"ifon The bccaufe in the J placed the found 3 the (thfi Sum be- the iuiri oftfie would I phaei 259-1-22=281 =303 Therefore I of next in, the laft Column. that Column lower Place of ) Column loo's. " as above. ExampU by 99Sf99^^ 62952937047 Divide (4.) Operation. 629529 6z9r52,9 Quot. which 37o47"o is 62953 999999' Example Divide for compleat (5.) by 123353332211 its Quotient, 999; OperdthH. 123 Qiot. Which is 123 333 332 211 123 456 788 456 788,999 compleiat^fofits*Quotient. 123456789 QQO For 12345678 ^^^ is equal to it. 999 K2 Example Exampk Divide (6L) by 92609907390 999999. Operatm. 926099 07390,0 926099 92669,9 Quot. is Wjhich 92610 999999 compIeaCc Example Divide 2465529966,9 (7.) by 999999^ Operatm. ^4655^ 9966,90 OOOQOO 243242 I 2465,53 Quot. " Which wrought readily Use " 2465,5324 IS have I ^43243 243243 the that this Example 324 in its large^ at Quotient that you may infinitelyre* would feat. What JV. B. confifts Places In we are of of the lefler a Figqres order to often eafieft Manner of the of be, of or its Divifon wkh find would Number, the out obliged confifts ceflary that Quotient to Places Learner divide of See by as Figures fhould doing it, as the Produft true ; be above when the in X4" 15, i6^ Multiplication^ 9*!$as the many therefore it was acqu^nted : of Number fanM Art Dividend by which with he culate Cirne- the might wkk ( 5S^ )) greateftExpedition find the Quote of any DiviPlaces or of hundred fion by 9*8, if required, to an more Figures, with very little Trouble. with the %^ HirefoBows Blufirationif geitigCompenims ift. Let Method the an Compendious the fere* multiplied by 9999 be Vide Way. in Viz. DivifieHf S^^jS^AI be giiren to in the moft ufei Art. xo" Operaium^ its Prodttd. 58471099305^ dious Divifion As of this is itsProof the Converie Now 2dly. by Compenf* \ divide W 58471099305J 9999- Oferatm.,; Divifor I 5847 9999 I j 1099 ^^ I which is 5847 6946: jBl^na.9999 equal to The Dividend 6946 iH7 Quotient 3053 For 58476947. 5847^94^ = the Rem.-^? ' 9999 18 9999 equal to x bc-58476946 this WherefiEM^Vhc Unity. or ' 1- I = 58476947^ ^ exaft Quotient muft above. Illuftr^oii,T-am per"aded every attentive Reader will, by Infpeftion only, more eafilyperceive the of dividing by Rationale for the Compendious Method any From Number tion that of can g^\ than be offered he would by any verbal Demonftra-^ himc CHAP. ("set ) " H C V A .' P. A IV. General Rule for all Cafes. . " . . . Multiplicand and Multiplier to their EquivalentSingle Fku^ionfi ; then proceed according the Rule to prefcrib'd in Multiplication of Vulgar Educe R the and Fra"ions, in compleat its by Numeratoc difcover Frai^tiop^Arifing will the you have be cduki the wifh; Quotient to content its in you for you yoa its till you or then happeo when your divide the fp foon think purpofe, and you riiay give. it s^the ^P^dpft approxjiinately . i " ' " \ oi . ' ' ^ " " . . 1 Multiply ,4jij,.$ bjr" ^1 \ you have theCe ceafe, may enough near of the Produft remain, o Quotient, if neither Produ(5t,(ought. But as until be if And DenocuMf^^ Circulate a Fra^ion. Vulgar a ^ and ijb,/TSktir Ecm""Icii^Singk:Fi:aaipn8afe^ I And i^ X ~ 9 I =/?^i.K Ac. Produd compleac in sk 9 _ which being divided as above directed, Vulgar Fradion ; will produce fpr its QuQCiept 1507. which isia.Finils Iqtcgpal rroduft. t Example 9\ ^"999938P " 688888 I 999999 " t I I i 20 firft the Quotient 688888 68,8888888888 which the is 68,8 the fecond Quotient Produdt, 68 or 1 Example " " Multiply (5.) by 57HB*9A5 That E. ,ft. Their by 57945, F. S. is. " " Multiply 57"7 sy, ^^!H22? ^^ and arc 999 57888000 And ^5io.^30'oi7foooo 999 Gompleat duoed to in 9 Vulgar a 3347987198 '^ 999 5 Fradtion, which p^"^ ^ 9 Ezpreflion by Cultellation, as tbelaft is beft re- Example. Operation. 9 I 999 1 3010 I 760000 334 4^4 333 798 "^"^ " is firft Quotient " 7998 " which the o the fecond Quotient " 3347987, the Produft. Example " $9 ) Eitati^k (6.) Mulriplf 14,857142 ift. Their E. bf 7,0714285 '^ill" S. F. ??Z"ii"5 and arc 999999"" 999999 '"5o6ioi43g745"o And their Produa is Compleat in ^^ a Fradion vulgar follows } 9999990 999999 is reduced bj Cultelladon as : io5o5i I which 014367 I 0506 I 0506 4520,00 I 19428 119,428 57*428 105061 224489 I 571428I571428 571428 367345938773'5"o2oi 2' i| 2 '.105,061224489795918367346938775510204081632 continued Dividend 571428 08 1 629 571428 653057 4 3 653061 -Quotientcontinued Here the done at duft turns i)ove. But Ezpence out a we an Unit to be of Quotient a very trae few Compound mixt may 105,0612244897 of the have we 224489 be content to which wants not to Figures deep, 54 Figures % Circulate, take the the the and as Pro- markM Produd: a- thus ; Part exaft Exampli i"t") k " " " *. ift. Their 4E. JS. H^ "re " ^ ahU ^9 And * - 9W ^""t"'ifu. ti their "Prbauft cdiripreat m =: " 99 999^9 99 . . . Vulgar Fradion, tellation which Expreflion is ..,.-,""., by CtU' . reduced beu follows. as I 99 oo 94r77. ft 95,72 999 the firft Qu 72 1 '95." '272 \1^7 957 272 95^ 229 2 I rfki ,0958 230 "" which is "^^*. rtiM "09582^ 958 230 It i ii their t J* the fecond Quote. "v true Produd. feciog Aat the divi'diag by*ftnyNumber hath beeh e^ght^ ( in Art. ^6. ) is much eafier readilydone, than any other Divifion* whatever, of 9^5, a" Now dividing by i, or 10, or 100, fePf.'or by 'and 2, more except t)r^2o" the t)r made are Ifay, feeing that fuch Divifions now fo very eafy, from thence ting then appears the A d'Vintagcttftoin Vulgar Fraftions the Compleat Produfts continue as 20c, "?^. firft occur, without fions in a Vulgar Way, they always have 9 or reducing them becaufe 9*s" with or in to fuch without 0% lower Cafes Exprefthey for their will De- nominators. nominators, as fee you in federal the Vulgar Produfts above. of the fafegoing EMmfks. Bluftratlons Ex. ^i^ f A?. 2. Vulgar a Way ia 45 " x ^ a; complcat. 507 1 = in Expneflbd I. Is 9 j" " g^ =a " coajpkaL =4"2 * ^7 38480 2 "--" T T. I3. s 65 "x. "*. 4. x; -- Is 4- X 15 35 Is 5- =475"05" ^^ = - 57945 ^^57 1H4880000 = r" 37 " =*68,8. 7 f! _ _ -E*. = - = ~ 9 333 I^ =105,0612244 " t 6. "x. Is 14 X7" ' " ^ = -^ -^ t X - =,095823. = " 37 tff. "^ 9S tij 7 Ex.7,' " 407 Rule for all Ciifes^ cbe Ptiodbfta of an)r By the General ^ven CirculatingExpreflions are very eafllyand readilyotK tained s that and any burden the ProduQ: too with Iktle or no trouble, and without the than is necefl"ry to ind more Memory, fince of two tbs Vulgar Fradlions j ef|"eriaUy of finding the Equivalent Single FraAion Methods to any of that with CirculatingExprefflon,together dividing by any Number made is now to of 9*5, ( the coiAant Differs in fuch Cafes) beyond Expectation eafy, L 2 Howe* (62) However, Produds there as nude ufe of this Place in Number ; the upon the I Ihall add therein, I of one their Obfervations fuch (hall look whoever other and him willinglymake too that Whole, finding Cunnj followed have more becaufe and Mr. the learned fince, who Authors great Riall by for Methods other are into Mr. Cunf^ Examples of Multiplicationfor the future, may from mine of the the Reafons various Methods, eafily underftand which that Author was pleas'dto make ufe of to give their Produds. true in order But ceffityof diftributingthe thereunto, I Exampjes in under am the Ne- Rule this into 3 Varieties, viz. Variety Where Examples^ 1. confifl Mi^iltiplicands the Circulates, either Pure Compound Finite are and Mixt, or of Single or their Multipliers Expreffions,either Integral, Decimal or Mixt*. CASE I. Examples having SingleCirculates. RULE. When next fubfcribe for a other then and make Single the Circulate Figures in Single Circulate, the fo ffaall you 9 before add you their feveral Be taught in : careful Multiplicand, obtain their their Sum to ; the mark of Multiplication as true carry in its if any in its Product Circulates and found Overplus, confifts of two Multi|"lier or of them each with proceed in Addition N'B. mark a for every Place and r the multiply you Left-hand and ; Produd, or if and none proceed a with o, the plication Multi- in Common Produd. its to i But when (ignificantFigures, its firil Figure v as particular Produds together, to end taught together,as was fhall be the Product fought. off more with its Fiadional Part, as Decimals. The is (63) The Juftnefs of well-known the above Multiplicationis Truth, viz. That from is manifeft Rule Addition, " this manifold a ft Samples* (I.) (4.) (3.) I5"4 "925 (7-) (8.) W 36 4 2 Which it 3,9 8- 34.99990 3^90 Finite. Which is 34*9999 3 2,0 Which Finite. it z Finite ^ (9.) (10.) 45.^ .4583 ,0625 160,5 22916 8027 33 1370 91666: 112388 . 8750000 1 nhkh 507.0 is 1507 Finite ,02864583 . 280,972 Sbiftratwu (64) "x. In It I. IS X " = " =,08. " 10 9 90 '^^ 9" 10 90 * ^.4. It is 15 -it ^ X == " 9 =,926. 900 lOQ V Ic is -E^. 5. 4 " X Ex.6. I%"3888 x2^ IQ 9 "; ;;;: -- =3,p compkat. 90 7Jt,,.9"=3i49^_ ^^'^^-'^ $0 1000 90000 ' _ ^^. 7. It IS ^. ^^^^ = =8,88 - eV^ where 8 would iUfioi^lyrepeat. t " r iif. 9. It is v'dc Ex. 4*~-i!33 x.wiv the Gcnc- inlRulc. "". **. 10. II, It is It IS ^x ^ =^ j6o ~ X I i =.^"8d^^ 5= . 3. ^ =280,972. (66) (6.) (50 (7) * " """" tbt ^ Sluftrationt Itis-^ x^=^=2,45. .2. 1 II II 189 67 "x. 3. Ex. !.4. "*. 5. , ^s=--*^=27comples"t. Itis3-x 6. It is 4 It is iz6 -""^ Itisx 41 jooo 22 ^ X - 41 "*. ExampUs. Iti.^^xl=^=:,05; In"..i. "" fortgmg f- X =,003073 5^8 = -|- " * =3,402439. 164 1? = 17, 41000 4 Z. - = =,75 corapleat. In I'ia'l lUs "af thus l^lciplier, the '\"^ Ig aU i^u^d Take : Mult^lifand) of g's, a^ write i ^uA Mai- kini, Mr. the as niapy down tw Repetend. for fevcry JtialProduitsr ,^%6 Repetendft SlmilaP, ' f^t far as lui%- the as in fought, Common firft ; whidi Rule. cafity perceive, Multipliers, it would may __ [jrueProdoft "lery,the S that too whereas j fame Puipolc with Multiplicand little with or that ' you mentally "rding as Figurcs, ^% are the divide Repe- Cs'f. Finite Expref- ^ 'e^tSingleor Compound CASE ( 68 A C ) L E. S . Exotics Ul R CircuTateV i Compound Multiplication of Common Produd by coniifts Pix)dudt i with this laft Single^ Pure a nThole rLM'xht Decimals 0*5 many as of Places of '9*s divide E. the^ Multiplier is ift, WhcH Circulates. Pure bawig Figures Operation then ; annexed the alike be in as its Circulate Nuofber fo ftiall its Qaotient Product, Pure a multiply as with and y or be the of tnic required* ' ' O/thus, 2dly5. Find the ,tben'with, its Numerator ,a$ in Common nuUtiply the Decio^als ")enominator" Sihsle MultipJkr^jiEquivalent that ; Multiplicand, Given Produdb ihall Quotient the and and ^ FraAion be divide the its. by Product required. In N^B, riety, wl)ere the firft Dirjcftion ufed, I there (hall Examples^ Operation every the Muklplier Given is followed fecond explain wrought D the in this and botk is made ; But where ire Aibn takes Above according Rules to a the next ufe of, there new Va- the Multiplier is place. by both the two following. Directions.. Bj^ ( ^^ ) Dire^ion.. Example(i.) fy ff/e^rfi , ^ ,6 bjr,8 Multiply " ^ ~ . Optra$icn, ,6 , ,48 the firftor Prodoa Common 5 "M*i ,4,8 the C. P. multipliedby 10 : t^mmm^mm will give for its ,53 Quotient 1 which isthe Pra true du"^ required^ i " Multiply ,875 by ,36 Operation. ,875 ,36 ^ " "" " 2025 " , the firft or.Common ,3 1500 the 31,500 And 99 1 Produd : 9 -M C. P. multipliedby lOO: 31,50 3" will give for ,3181 " " . ^ its Quotient, Produfl: M 2 which required. is its true ' ^^ ^ ( ) 70 Examples hy tbefemd fBe famt DireSfm. * Multiply ,6 by equalto ,8 is Note 8 8 is its New Therefore 8 - " " Multiplier. I 4"" 9 its true ,53 FroduA. Therefore is its New 36 ,36 Note Multiply ,875 by ,36 |- = Multiplier. 2025 99 I 31. " " 81 ,31 8 1 its tnjie Produft, which b ,31 8.^ Bluftr(rtions% Ex. Now 1..IS" =,1" X" its Produd: compleat ^ a Fraftion Vulgar 9 \ whofe 90, Numerator and Denominator 8 A. being divided by Quotient is ^S2^ And Ex. 2. 10, Exprcffionwill inrthe ^ Is the i^ ^ minator Vulgar FraAion being divided by ^-2. 2-2P 590 " a whofe become whofe. " Operation. 3i5oo X 1000 pleat in in '^ 10 .^ = 99 ; p^odua 9900a Numerator whole 100, the com^ and will ")(pre(fion Quotient is ,318, as in the Deno-^ become Operation^. 99 Compare ^ (?" - Cbtnparrthefeand the ) Uloftntia"s following with their Examples, and you will eafilyfee'lheRwfonof my 1 have done binder Cajc i. penning the Rules in the manner this Variety. m feveral Atore Examples. . Multiply"oi5625 by 9 ,8 V. . Ptodufl: Common 1 ,125000 ,0x38 True . multiplied by 10^ Produa. " k r (isV C4.) M. 7,875 By 9 V . ,3 C. P. I 23,625 X M. 2,54 oy ,03 9 10 1 ,762 C. P^ X la t. Phjduft 2,62 5 True Finite. ,0846 True Produft^ (7^" {6.) ^ M. M. 540 636 " by _j7 9. 1 3780 420 "'y. i . C. p. True X lo Produa 9 Finite. I 190^0 2 1 20 C. P. True X 10 Produd- Fi- nitc. Slttfiratiottt n ( 7a" Enamfhs, i tbefartffiMg MhpnHm Istt 64 J"fa, ^ Is ".4. X = " 9 5 ^ ?- X 7 =,0138. -r- 576 = =z,6a5 " 89 iwmplcat. 72 9000 90 100 I 199 Ex. Is 7. -^ X" M Obfcrve be the ,3 complcat. =2120 " " 9 whtn 9^r Multiplier, is.the its its*Maltiplicand,whether of " = this be 3 Circulating Expreffion: For ,3 " the Produft true 333 1000 ^c. times, or a But " when . ^003 the; Finite " or 6?r. then ,0903 the Multiplicand wIUBe its 3000 300 30 or fc?^. of 6n' " or a will I == " Multiplierh either ,03 i-or* ^ = Produft true : Afad when then- the (^c.-of " the the of is Milltiplier 10 times, or Multiplicandwill either 3, 100 be or 33, .times, its-true or Pro- doft. (8.) (7+) do.) M. 19448 loo " by " "38o954 38896200 97240500 175032900 '555848000 58344300 1 7408791259120 999999 C. o P^ i 000000 X I 740879 True which is ' Finite. 7408800 Exam of thefot^w^ niuftrations 999 999 I no$96o950o 29268 500875 fits. . ^* ' _ __ ^ 99999000 99999 1000 " " 110,597200. Is 10. 74308792591200 g5o952 ^"0448100 , Ex. " X =S ^"-" r -^ " ^ 999999 999999 1 _ compleat. 7408800 the great Number From of fuaded in what he farther need any may no even very I fliall omit Practitioner phaTashe the to Reader, common of my ciples the Prin- upon whoever, Affiftance for readilyfupply himfelf. And I am pernow can but more, I wifli I Wherefore having given fo many. and leave it to the exhibiting any more, might efcapc Cenfure ^ lUuftrations Vulgar Fraftions, .already exhibited, that fkand of apply for them to fuch himfelf fliallthink may of the following Exam- requireit, CASE ) (75 n. E AS c Circulates. Examples having Mixt " L RU E, m but Repetend confifts of the Multiplier is the When Places, then more given Circulate, Produft of the Produd of the ift. Find remainingFigures given Circulate fought. be the Produft its Finite Figures, and the add the la" to 14,26 5 I , ,^ P. oF C. 285,450== io6 ilo X ^/r 31,716 95150 = Trucl^. = P. . of 4: = P. 47575 = P. of 6787',^66 I f " is 4 'J " (Which 10: 1 * 6787,36 ' " " i of, ,a; J90300 ^ ' ' - ' f ^66: cff {? % " Find the Refult Examples^ by in : its Part Produffc 2dly, which ; and : true and laft directed; as having Grculate, Mixt of Plaoes 2 or i a of the true fhall ( 76 ) by 6i"o3 "*" 22,50180 True = of "=P. 6750540 4050324 P. 1,0: P. of 60 = of ,oj: : 41200,79580 which is Finite* 41200,7958 (3.) f J M* 487965 " 5,06 by I 9 C. :^ 292,590 32,510 = ^438250 = P. of 906 P. of True X ,06 la 1 Pf Sfi^v P. 2470,760 '^ (4-) by ' 70,4* * i^-^ 202905 162324 "" 99 I 5 " C. p. of ,45 s= X too I 18 4"4 28 40 67 I " 59 o o = " 28 59 I = "i5 90 True P.of P. of 70 ,45 : : " True Produft. Obrcrvc n ( ) 77 that in fijch Operatioiis as thofe it is very necefthe Produft of the given Circulate ofF mark true Obfenre faryto DiftinAion, as above; that being a to placethe next ProduA, for want its Decimal with where Guide which The of arife. might ealily Error an tain cer- fdlowing Examples are wroiightaccording to this Variety, two the 2d, under Direction (50 M. Note ,28125 the Expreflion4,36 =i^ 99 Subft. the Finite Part 4 New the will leave 432 of Multiplier the given Circu- late^s E. S. F. 56250 84375 X ;99 I 12500 12 Here [00 00 1,5 27 i its New " " 1,2 2 the Fraaidnal off from Part*is marked the MultipUcandt and Multiplier* " 7 27 " True Produd " which is 1,227. For as much as the 4,3^isequalto Expreflion ^^^, 99 is manifeft that the Operattonin all fuch Cafes muft be it as above. N 2 (2.) (78) (2.) " M. the Note Siooo " Exprefllon 24^925 ^490 k = 999' " " 24"925 Subft. 24 will leave the 24901 Multiplier,(^c. New 8icx"o 7290000 324000 * 162000 t- "" tamm^ 1201 999 201 which I Firft Produa 698 100 201 899 9 899 9,99 9 Produfb :. Finite; is 2019000 mud True t obferve here to Reader, my that That moft com*-^ Q)mpound: Circulates under this 2d Variety^is more eafilyand quicker folved by changing the Multiplicand for the Multiplier," under with the Operation as direded n cpnfrik by proceeding monly Cafe 2. Example, every Example, and for As Variety,I. Inftance Ihall fee the we ;. let Advantage "" M. in happen may us take in.lb the laft. doing. I 24,925^ by 81 000 I 00 jf the 00 00 r o*s Learner's Miftake . . place the in thus, to prevent making any. oflTthcL marking FraiftiooalRart,. 24925925. 199407407+. 2018999,999 , " _^^ which is 2019000 ^ compleat; Thus^ ( Thus where make this 2d the leaft Trouble. in ordicr Variety, ufe made perations the of Mr. by Multiplicand Circulates Compound with Produft true ( by changing yo'j may Multiplier, ) 79 to given ) find the are I But obliged was of explain fome Cunny for the other and the to O- Authors fince him. Variety 3, ExampleSjVThtrc.hoth Multiplicand and MultiplierconPure fift of Circulates, either or Single or Compound, Mixt. RULE. multiply then by .Produft Places as 9's, many Figures ; of in taught was as Multiplier is Given the ift, Wbent as Multiplier Giv^n Quotient fhall the divide and Variety, i, the Circulat)e, Pure a be the true its hath Produft required. 2dly, But the Given when Mixt Multiplieris a Circulate, with and' then its Equi^^alent Single Fradion, minator, direded by its Denomultiply as above Numerator, j and Produ""t ^ the Quotient (hall be the. that divide firft find true its Produdt required. ^ a, I 6"9i40 ,7682 = C. True P. X 10 Produfl^ 9 "" I 360,40 = C,E. X ion 40,04* (30 (8o) 9 I 74"337 C. P. = X 10 : 9 | 12,672 " " very uncertain may FaAors the we muft very Figure often approaching as Produd confifi: of of Circulate Produft, betore Common therefore the of x " 10 : ] 1,40802469135 kind what becaufe Produft, the both When C. P. " 8125975308641 Obferve, = or the will arife in the Figures which dividing by in fuch near Circulates, it is Oifes be the Truth, repeat in or 9 content as true 9's i with Neoeffity require. 19,218 Prodiift. True 192,18 True Froduft. "MiV (7.) M. 5,3 by 6 Note 6,=" 9 Therefore $ I fo 39,00 35, is its New Multiplier.^ Firft Pjoduft: TnieProduft, (8.) ( ) 82 (".) " " M. i by 7. under Ex. Set 351 the General Role. " ,27 82 ,095 30 True 95 Produd ,095823, (12.) " M. m by 57945"945 57"7 " k. That 5"o Note 57945" by Therefore " " ." M. " the Exprei"oo $y, = " 9 S7* is the Kew 520 Multiplier " " II58918 28972972 .9 I Firft Produd: 891 30 131 " " 334798^,9 TrucProduft " " . which is . 33479874 ^/^ That 1 ( 83 ) to inform nothing might be wantingperfectly ihall confift the of next Praftidoner, two Examples fuch that when fhall Decimal Expreflions occur, ; any That may not be at don in the true Lofe how a off the Decimal mark to the low he Diftinc- Produft. approximate or Us) 9 " " Note MultiplyfOiy ,02 = " 99 " " " *"r .03 Theivfore 3 is the New : Multiplier " " ,081 FirftProdud: Si^ 1 ,08 81 10 08 98 08 1-1 " " ,0008 19 00 t which is 08 19 00 True Produd: " ,000819 (14.) " M. Note ,027 by die " 27 Expreffion ,027=-!- ,027 Therefore 27 is the New " Multiplier; " 189 0540 ,729 Pirft Produft. 999 I "729 729 729 729 458 187 I 729 2 App.P. ,000730460 189 729 729 "c, 645 2 919 649 3y (dc, the wluch I flull exhibit in Involution,Chap. 7. O whole of ( 84) " In the in their ftindion of Laws j it carefullyobfervc, Decimal being according Decimals in Common Divifion the Learner have Produfts true prefixedtwo I fct the o*s, before latter three the in and I above Examples ft of the two I * to which : prevent o\ Di- to the I would Miftakes. (15.) " M. " " Note 14,857142 by 9999990 70 the New 70714215 = 70214215 7,0714285 Subft. 7,0714285 Multiplier^ 74285714 " " I4857I428 " " 2971428571 " " 59428571428 148571428571 ^399999999999 00000000 . . . " " ^^39999999999999 " " 1050611194,285714 its See true Firft Produft. Produfir, ExampU 6. and with under the General Rule. I (hall conclude this Variety, by exhibitingthe Operations ( after my three Examples^ from Mr. Cunn^ pag. doubt not but that it Multiplication,;^ ) of the laft And 82, 83. J manner by thefe Examples^and thofe preceding,. the (85 Ac Capacity, mcaneft readily be able give to that which Methods, with Author leare little Attention, Reafon ( or any other find the true the moft may for all the various fince him) Pkx1u" of was any Expreffion 4,297="^ 999 " 4,2J7 Subft. ^ill to Note 3,145 " by very aflSgn a or ufe of, pleafed to make Circulating "xpreffion$" M. ) 4 .the New 4293 Multiplier 9435 " " 283090 " " 629090 12581818 " 999 \ 135 13,5 " I 03,4 363 636 135 169 532 53^ 169 169 02 Firft Produft : TrueProdud. Mj (86) M. the Note 2,172 ' I A 1 I Exprdlioo 111,98'=: 1870 999 Suhft. II Therefore is the 111870 culation " " " " the Cir- Multiplier, becaufe begins in the Place New of Units. " 00 1 52090 J pjj^^ ^ ^,j ^ the j^yeM making any tniftake marking off the Fraftionat Learner^ 1738181 in " " g^u Part. 2172727 2172727Z 217272727 Firft Ptoduft 062,1999 I 243 999 : 1305 243 2 "" " " ^43" If. B. " Becaufe in Produ^. True 3p6 306 the the Produft common Circulate is " 99, Place I wrought the Mr. therefore true thereby it at Produft Cunn making large" to would judicioufly added the 2 let the turn out become Reader a to i 3 : fee that but the I either next have way the lannie. Multiply (8?) Multiply by 481,7652 481764800 481,7652 Subft. will Note 21485,314 "999999" 4 leave the New 481764800 the " * Multiplier,bccaufe Circulation begips in the Place " of Tens. 000 " " 0000 " " 17188251451 " * 85941257257 1289118858858 15039720020020 2 14853 143 143 14 1718825145145145 10350868153572,772 "M^i" -""" ^" Firft Froduft, which for " " I take conveniently dividing by 999999, down neath. under- as - . 103508 72,7727 727727I727727 727 103508 785043 512770 240497 968 fcfr^ 968227 69, 2i I 103508 78,5044 IF it be defired is left out, Placet of 6?r. 68j535 512772 240499 FraAion" to find the Vahie obferve, that of the laft by omitting as many Repetend of the Multiplierdid Figures, as the of that which confifk (88 "confift Places, theq the 6 of, viz, ) be will Produft Approximate which 10350878,50445127722409996; of wants the 772^ ^^^ Produft true 9 999 ^f^^ Unit in the laft Place, the 999999 Place of 3 Nines. after the 6 . 772 Now Exprefllon the ^ ^^^ is " equal to 999999 21Z i, and " is in the 6 the i8th below Place Unity. ^ 998999oai approximate the therefore in the Prodoa true Produft Quantity is defeftive ? -51i of " " of Part Unit, the Value an being One the one , 998999001 trillionth of ' of the Fradlion left out. of Operations that take will Whoever the with mine firft Products their Pains thofc to of widely thefe laft three compare Mr, Cunn^ will perceive differ in their Fradlional Parts. Reafon, The as follows as He : as I take muft Decimal have confidered Expreffions, viz. iL21 confidered it, ( for he aflignsnone as j his the ieveral New his firft he muft ' iecond ) muft tipliers Mulhave ^^ as ^999 be ; and his laft ^999 481,764800 as "999999 And his he omitted the End having the of thus confidered o*s in the Decimals laft neither them, two is the Reafon Multipliers. increafe nor For diminilh why o's at the Produft. .Alio (90) C V. P. A H Divifion of Circulates. A R the Dividend and the Divifor Educe for all Cafes. Rule General Equivalent the Rule Single Fraftions, then proceed according of Vulgar Fradions *, and prefcribedin Divilion in a Fraftion arifingwill be the Quotient compleat to until Denominator, remain, o Quotient, you have fought. But if neither wi(h, you Divide And "^ Fra"ion = " 4. ^ being divided, which ; are Quotient compleat *^ ~g be may i. Equivalent Vulgar Fractions ift.Their will by 19,1 as have you and Quotient near enough for your purpofe, to give it as the Quotient approximately. content the Example tient Quo- true think you late Circu- a fo foon happen thofe of ceafe, when may the then obtained in its could difcover *tillyou or by its its Numerator divide if you And Vulgar Fra"ion. you their to above as and in a ^ gar Vul- diitded^ its Quotient 4,7. producefor Example Divide 2. by ,6. 115,4 ^^ ' ift, Their S. E. F. and are 10 9 ji And '039 -^ J " ^ X0300 . -:- 9 Vulgar Fraction " "" , the ^ . Quotient compleat in a 54 '^ ; -^ ; " which is equalto 192,407. Example ) (9" ExamfU 2470,76 by 5,06. Divide ift. Their 3* E. are^^l^^ and S, F. j And!17"7i^45i^f!13p4p^Quotient pleat in rra"bion Vulgar a ipAich i is "qual "o com- 4^^^5 rkicep Example 4" / " Divide ift. Their 579,6 by E. ,243. ^^ S.P. and are ^^ i7S??^ 213 := - 10 j 999 "o Alifl ^ tte "^jo"ntcoinpl"t in ^430 999 . a Volgar FraAion *, which " Wuldply by is equal to agSijS ". . Finite. " ,24 J the Diyifor 2^%'fithe QuotieM. i*"M**"MM"M " " W5 4864 " " ^94594 729729 4864864 519*5999 which is 579,6 the Dividend P as above. Example ( 9aJ Zpcamfk " " Divide, ift, Their 1 E. 5. " 67 by ,75. ^ S. F. are " and - 999 ^"" 68 167 J . IK070 which } , is Quotient compleat ^. eqoaita 536830948595654478007419 by 101*4,97717 ./. E. S. F. 6. 23,41^. 122137^740 are 23"4i40o ^^ " 99000 ^' Qaottent Fraftion 2627 1002 '/^ v^r whofe 5 " is which - 1 99999 627260 " ^^'"PJ^t ,;,yJs6oZoo is equal a 25666242713301 ^221 ' Ift, Their m 1838897*7. Example Divide . ****" "Z-^ 67932 ~ 90 Vulgar Fradion " " 7:Zr.'^'Z: 909 j 90 in Vulgar a 10432,428287432538411^^1. . I fet the Anfwer him, may in As often be After Rule thus, that he^ wjiofi? proceed to find its Rqpetendv Cuftom above manner readily folved. of other the the might more Examples, Vancnes, viz. all the However, of whofe foregoinggeneralMethod. l-carner"s *^ - . to Examples can occur other the Me Operations chiefly depend And in order for the fliall diftribute all in this Rule, into three ready Apprchenfion, which in this compAr with Authors, I fhall here exhibit thods, the Foundation on prompts " - Multiplication,fo here in Divifion,we muft vcrv content to give the Quotient approximately. the be Curiofit/ I Variety (93 ) Variety (i,) dcnd Pure Divide as Operation to oft, is Divifor Finite Expreffion, and its Divieither Single or confifts of a Circulate Compound, Mixt, obfcrve the following Rule : or the When *till the a Decimals in Common apply the Quotient given turns ; Circulate out a but be careful in the Circulate : in the Dividend fo if that does or be content happen foToon as you could wilh, you may Quodent approximately. For indeed in many to give your in Pra"ice, where the occur Examples that may except its Dividend is a fingleDigit, and confifts of a Divifor not chofen Produft with of its one lingleCirculate, on fome Faftors, thp Operation will frequentlyprove very tedious^ if you are determined to find its Quotient. circulating Examples. (2) ip6 I ,925 Quote ' Quote P 2 15^ (4.) ii95S" (5.) f94) (";) (5.) Divide 581 by Diride 9i 585,42 by ,7. ,71585,424242 81581,81 IM Quote Qooje 72,72 wMcIiia S96,3"e54 70, (7-) Divide 7 1 4"*5^i4tt*5f 4,857142 by 7. I4*857*4"857i42857i4a85y L42857142 0^^,693877551020408163265^612244897959183673+ I took of down the three applyingthe given Quotient turned out a laft Examples Circulate ', whichi for the Conreniency repeated until the Circulate^ (?^) ) (95 96,378 by 58 Divide " " 58 196,378 1,(6)696179 ~ " 383 348 1,6616961^ /Mvert 348 matdy. '^ " 6^ . " " t T. 5"4 557 35" 348 J 03 58 .' I 457 406 5"8 ttj64 .5* Thai, S"mi2e 1 .H*, to "!"" "*"""? En-lfl^r!!* MaltiplicMion, jjhere he wll meet mmiMiiT ( 96) divided by Quotient. is the Divifion For this is of as its Fadtors, will of one the give Proof bcft other of for its tion, Multiplica- that. . . " t ... " ' . " . - ^ Variety (z.). the Divifor When confifts of Cir(!ulate,either a Single Pure ics Dividend of Mixt, and or Compound, the followix)g nite "xpre(Iion" obferve Dircftions. or Find' the Diyiror*sEquivalent.Single Fradion Denoniihator, ( which tii this Variety and without o*s ) will always be 9 or p's, with or the Dividend IntegralNumber, as an multiply with its next dered divide this Produ6k red that by the Divifor^sNumerator, the Integral Number, fought. an as in the confi\ and confide- Quotient arifingfliallbe I. CASE Circulates^ either Singleor Compound. Pure Of then 5 , Fi-. a ^ Examples. (I.) (2.) Divide 5664 by ,8, Divide ^^ 746,3 by . 8 5 " ' Here ,8 I 5664 ^ - is-the - ^5 Here ) 746,3 I 50976 New is the S. F. Dividend. 6372 Finite. Quotp " Div^ifor's ^ Divifor'sE. S. F. 8 ,5. 5 | 6yi6^y Qf New Dividends Finite. i343"34 ' "f I here fhem ihanner ' ' beg the Rule of leave to above, Vulgar "- thofe Examples, and with by working both Examples after the IHuflrate Fractions. do ( 5" ) hE. RU more Mulriply the Dividend by a, cutting,off one Right-hand Figure in the Pl-^jkt,whfch"Biib*W your new di.^ftde then Dividend the Qspticnt will be ..and^ "s "l^, ; juft. 1 t; Let mBHim us ^laft Example, my Di^dc 746,3 by \t work and by \A \5. "i#i.^"'*=^' 746,3 Multiply by ' ' 9 *" 1 ^yi^^? Dlrt^"S5 1343,34 is the fame Which NcwDiiridcnd =* Quote True = as mine. ParacJn^ /"" Air. Quotient* fxj given KVifiir:bfe'i Single R4t"eRiid" apd 7pur terminatft NumBfr, multiply the Dividend by Dividend a Pro4pa As, by the^^vcn Divifor. ,^, and d"yide.l*a(t If your . Divide746,3 by qphe^Dtvidend "fi. ^7^,3 "iJiv^or=,54^67i,"67 1543 He"e, inff m it is manifcft that Wo' " 34 = True Quotient. by inultiplyingby ,9, accordDividend in Pardon^ inftead of 9, the New MiBft^s t"ctfnRb thfe fime With Mr. 'dbe'i^atibfi duft with M .. DTvIiSend. New = Mr. to aid mV'dWidKJg'9V'5, three . ^. Multiply by/ .. ... either. different " miiie, Hence Rules, fec6hafc rtot and the laA* i5'"t^'O*'^^' -, IrtieW)- though dfey tna"y fceih to puzzle the by that.means, tfel,' y^ ttefr #eas HWd'maVcm^tee'Riuriaftm^ and feriie young fiu"fe "afe bne mWWr. (99) Method My being Fradlionsy Method But when and wholly built partly that of on that on New of Principlesof Deciilials and gar Vultheir " Decimals. . obferve^that in either of the the partly upon Dividend is the three Methods found, the Infinite aforegoing, Divifor in a Finite Operation then becomes Expreflion; elfe the of Circulates ought to of multiplying and fubilra"ting Laws be obferved, as underneath where the fame Example is the , wrought at large. " ,5 " I 746,30 in Infinitum. By this Operation you may perceive that there is an Infinite and fi)continues to be ProduSlfdr every InfiniteRemainder vamjhes into o, the Univerfal Symrepeated until the Infinity bole or Char aSer for Infinity. j CL (3.) ( ) lOO (3) .7 (40 1 68,743 I "o"45 .7 9 7 9 j 6iS,687 New " Quote Div^- " the Liberty New Div** " 8",38385jfi44, I (hall take | 94,05 7 here to ,0006 " Quote 13,43571428. remind the Learner, = 9000 6 ,006 = 900 f Their That the federal . |^ Expreffion ^E. S. F. 9 V 00000 6666, = 9 and t^ Let J propofe the following Queries, 742,85 be given to be divided by viz. each of the Infinite above. "]q"reflions (5-) ( ) """" (5) the Dividend I 742,85 xft, 9OO06 the Denominator 9000 6 the j 6685650,00 J 1 True 14275, New as above Dividend Quotient. (60 6666 ^th, the Dividend I 742,85 the Denominator 9 "0000 1 1 14275 exhibited the , I have amples, leaving the the New I 6665^6$ True Dividend Quotient* Operationsof intermediate the above at the firft and as ones laft Ejt" Ettrcife an for Learner. (7) Divide 6794 ' 5,18* 5^80 U 5,18 Now by = . 999 6794000 6794 5180 I 6787206 3E IHrtdoid K 999 1 1310,2714285 (rue Quotient. Ct2 It ( the Divifions ncceflary to cxprefs fuch It is not caufc ) I02 is the Operation fame, large ; Divifion in as at of be- mon Com- Decimals. fame The of would Decimals, the wrought wholly upon Example, be Principles undcmcatb. as 5"i8 6794 6794 5,18 1 6787,206 Dividend = x ,999 ; 1310,2714285 Quotient true then And prefied thus as above. under the Rule to make it as this 2d with Divifor's the its Denominator, preffion,multiply by Mixt a the ^c. confidered Dividend Numerator, be that Exampl/{i.) By Divide 56,097 579^^75 Fraftion a ex- ; then Decimal this Produ"b confidered be IntegralExpreflion,'if the Quotient arifing (hall as and ; Expreflion, if the Divifbr Finite be 2. Equivalent Single Divifor*s Given the the fhould univerfaK RULE Fmd Variety mixt, Divifor or be as Ex- divide a Finite confidered as Integral,and fought. tins laft Rule. by 56,097. 5794,87500000 5794^75 5^y"97 I 579'^y^^705'^5 6ff. 103,29994565217 An approximate Quotient. = Dividend x,99999 "j ( 103 !tbe fame ) the Example hy firftRule. Now ^"^?"- 56.097 - 99999 5794,87500000 5794875 5609700 I 579481705,125 which by Infpeftiononly we the fame Quotient as before. Thus I have by, that exhibited Circulates, whether Ways two Of the having Decimal Exprefllon, if all Divifors produce Examples arc Pure Circulates. confifts Divifor work in it, and the of its Examples is the fame the Rule Way, work muft ; 11. Mxt Places you to 99999 Single or Compound. CASE ift, When x plainlyfee can Variety, whofc this fall under Dividend = with a Mixt Circulate, Dividend Finite a wholly in a mal Deci- the laft" Examples ' (I.) Divide 5"o6 Subft. 50 2470,76 by 5,06. 2470,76 247076 4,56 I 2223^684 487,65 True Quotient Finite. = I omit Dividend the x,99 Operation the ReafoD betbre large,for given* at (2.) ( ) "04- (2.) " Divide by 2019000 2019000 24*925 Subft. . 2019600 24 ^' " 249925* * I 24,901 fiividend ^099 2007981,000 81000 Integral. Quotient Finite and True (3.) 6794,75 Divide by 753^658. ^794*7500000) Subft. 679475 7 M" " 1 753*^51 67:94,6820525=^1 Diiridettd x"99999 ^80^5306 fifc. Quorieflt% approxiiMt^ 9,oi An confifts the Divifof 2dly, When having IntegralPlaces only, and of Mixt a its Dividend a Circulate, Finite Ex- prefljon. As, (4-) 698,4 by 6347, Divide FtA the kft Rule. 6347 1h^i4 6984 Subft. TUmt 1***^^ ^34 19 i I M I ^9797016 K Dividend x,99^ ,110030216 an approximate Quotient. Fari"ty ( io6) Examples of Let multiplied by be 5,7 Singk Mxt or 9 99 tf^. 999 S"177 5.77 Subft. 57 Produft or Operation. Operation. Subft. Circulates. 5,7x9 52,0= 57 Produa 572,0 $^7^99 = Operation. Operation. 5.77777 SuWJ:. p. Subft. 57 5772,0 P- 5',1^9SS = SI 57772.0 = Sy7^9999 Operation. Operation. 5.777777 I Subft. P- and S7777^*"^= fo Subft. 57 on for any 5^7^99999 P- (ingleCirculate 57 577777^'"'o" 5^7^999999 whatever. Example ( Examples of " Let ) '07 Compouud Circulates* Mxt " 6^75 be multipliedby or 9 99 or "r. 999 Operation. Subft. Bys obferving the " " 6,75""9 = " " " P. 6975x99 .669,00 = E. Subtraftion " " 60,81 Produft of Laws 6750,8 " 6^75^999 1 = """*" Opert^tat, " Operatim, t " Subft. 675 Subft. " 6*7575757 6,757575 675 9 P. 67569,00=6,75x9999 P. 675750,8 " " 1 w WW like in So 4792,5x9 manner " Produd : And If any pofe "007" Pure wUl give its " Finite IntegralNumber, Single Circulate its Produft for 43133,3 47^2,5x99^=474466,6.And A r:;47978oo. " =6,75x99999 is ^4. multipliedby will be the fame R 4792,5x999 9, Figure as Finite fupin the i"8 ( the Place Left-hand next ( viz. ) ,07. will be 9*s, its Prodaft Left-hand repeated in the next of the Number j^'sm faftie the two to ) Places : If multiplied by Figure Finite twice fo on, And ing accord- Multiplier. the " Examples of As ,007 X 99 And ,77. = SingleCirculates. Pure X ,007 999 And = 7,77. = 777"77' " " ,007 X9999 fi"on. likewife So And 77,77. = 6 x 9 60 = Pure Examples of Let be 9875142 Op. by " " " Subft. P. 7,876285 or Op. " " " " Subft. 875142 P. 86,639144 " 875142. 874,267732. .^miam^tmmmmmmmmk Op. by 99999. " " ,8751428751 " " ,875142875. by 9999. " "c^ 999 Op. by 999.. mmmmmmm^m^mmmm^ kMBMiMiMM^ai^ Subft. 99, 99. " Subft. 875142 P. or 9 ,87514287 ,8751428 ^^ Circulates. Compound Op. by 9. 99999 "r. hiultipliedby " " X ,007 " ,87514287514 " ^75^4''^ " Subft. " 875142 ^mm^ P. 8750.553608 P. 87513,412371 Qg. ( op. by ) 109 999999- ,875142875142 Subft" 875142 P. Finite. 875142, if the fcveral given Circulating ExprerThat Obfcrve, been all* Integral fions 'in the preceding Examples had Finite Integrals,either Figures 2^ you Circulating, having or been fame the fee in the fev^ral Prodads. that Rule Exprefllons by Number any 9's ; ) are before As, their alfo ( which obtained by obferving be given to 60000 in fuch Cafes the all Integrals are fame multiplied by be to Op. by 99, 666666 66666 P, that Laws as prefcribed. let 6S"6 6666 fuppofe us " " Produds Op. by 9. Subft. Let or Numbers, of 9*5. gral 87444, or 579467, 6?f. being all Inteber were given to be multiplied by any Num- 6666^ as ot " " fuch and alfo have would nothing might be wanting to compleat this of compendioufly multiplying any kind of circulating But are Produdb their leveral then Numbers, Subft. Finite. or 99 Op. by 999* Subft. Finite. 6666 P. 6660000 Finite, on. R or 6666666 6666 P. 660000 9 z And ( And 87444 be Op. by 9. let ) no be given to multipliedby 9 or o" 99 i^e" 999 Of. by 8744444 874444 Sobft. 87444 P. 787000 99. 87444 P. Finite Finite, 8657000 and loon. " And 999 let " " be 579467 given be to multipliedby 9 or 99 (mt "^. Op. by 9. Note 5794679, 5794^7 Subft. obferving " 579^^7=^5794^1' " 521^211,-579467x9. p. Op. by Op. 99. " P- by 999. " " " 57946794 Subft. of Subcra"ioa^ the Laws " 579^^79^6 " Subft. 57*^467 573^73^^* P. 579467 57888S478, m^"^^ Op. by S999- 5794679467 579467 F. 5794100000 Finite, and "" on.. Aftdi /Ift ) " let laftl/y And " be 10124,97717 girco to be multiplied by 99999Operalbn. " " 10124,9771717171 1012497717 P. fo tipliersyas fo off Decimal as the be multiplied by I well the of Here if all the they had laft "x" would or out the Prolixity, Remarks more many I fhall make but Circulating Exprefiion any is 9's, as the given Circulate conlifts of Multiple thereof, there the Proany a Finite it would an Number the many turns avoid to Improvement, foregoing Products, as after And as perfuaded am if " ProdudVs where That Figures, always duift but, : viz. of and Multiplier in the Expreflion, its Product Decimal a preceding made this one, Places } 10124,8759219454.. From might Numbers Mul- hare muft Expreffion", then we Places of Figures in their feveof Decimal Mukipfiers confifted " been hare preceding Icveral for Inftance, if the been had ample the as As Places. more many Produ^, lal the Integral many many mark'd confidercd 1 hare Obferve^ been 1012487592:, 19454 Ejrpreflion. be for an entertainingExercife, the Learner by dividing compendious Manner them of to prove by their fome * as^ of pliers Multi- dividing, by any 9'a. follow the Examples which fal^ under this Variety.. work them wholly iiva Decimal Way, as you arc bbferve the DiredHons following Examples, under laft Rule in Variety 2^ to which I refer the Reader. ( ) "" (I) Divide 8,724 by ,5. 8,7244 8724 New New Divifor ,5 17,8520 Finite* Quotient 15,704 459,68 by Divide Dividend 7* 7l459,6M 45968 New Divifor 7 New | 4i3"7^ 59,10285714. Quotient (3.) Divide 78,048 ,08, 78,0487 ^8 " " Sttbft. by o 7 8048 ,c8 1 70,2439 Quotient New Dividend 878,04. (4.) ( ) "4 (6.) " Divide " " 630,54 by '" " 630,545 4444.4 I Subft. 4444t 4444 * * 1 63054 " " 4000,0 Quotient Dividend New I 567,490 ,141872 (7.) " Divide " " 7623,37 by 666666666, " r " "66666666^ 666666666 Subft. " 7623,373 762337 " ,0 " Quotient Thus Digit the you have /)OOOi a Method New Dividend " 1435^6 how infinitelyrepeated, whether Integralor Decimal " 1 6861,036 to it divide b^ins by any any fingle where b Places. (8.) v^ ( ) "5 ("") " Divide " 243.306306 111,98 -i^^^^k ^^3306 II '" C S laft three ^^^ been New 1,87 1243,063000 " The Figures "'ght have omittSl. " " 1 1 " 243,306 by 111,98. Dividend 22374 2,172 19323 Quotient. 11187 81360 78309 1 I }" ^ i, Afimtum. 30510 ", 22374 J 8136 (9.) Divide "35" ,095823 by ,351. .095823095 095823 "35i' .09572727a New Dividend 702 ,27 Quotient 2552 2457 . ** ^^fi^**^' f 095 (10.) ( 116) ("o.) " " Divide ,167 by ,1671 *7S " " 167 7 " ,22 1 25 ,75, Dividead New ,681,1504 136 tSc. 144 136 85 6% "7o 136 344 340 ^/. 4 ,22:125 ^^. Example 5. in the General of found on by carrying, Quotient Figures of the ^cw the i^ Rule the Circulate i true which Quotient, alfo Dirifion, and under might here be applying the alternately. 504 (II.) " 120,54 46,21 Subft. by 46,2 J 12054 4 Quotient 2^60829346092 by carrying on the Diviiion, the New . 120,54545 New 46,171 120,42490 of " Circulate 90 Dividend "s?r. and approximately, found applying of the Figures alternately. (12.) ) ("'7 " ,4681 ,5552 33"i by Divide " ,4681 ,595238095 Subft" * * 1 5952^80 46) _ "589^857i4 New 'Qootiene 1537139233934 Dividend "c. afupnudmately. (13.) " Divide " 8,63 by ,07317. in S a h^nitim. "m"!^ ii8 ( " Examples of Integrals. (H) " " Divide 3347987.987 57945 Subft. 57 57888 ^7 57945" 33479^7* 987 3347 I 3344640, Dividend, New 289440 cr " ' a 450240 57* 405216 Quotient the Mulripli- being ^g^g. " ) ( , : " 45024 Obfervc, Number of its Divifor, then its New I chufe Proof to " the Places of does Dividend to the exhibit tn InJtHttum. S, )" confifts of the fame given Dividend Figures in its Circulate with thofe of confift of fonie aliquotPart thereof, will turn Finite Expreflion. out a When or ^ the preceding following Example^ becaufe it is a one. e ('5) ( ) "9 US') 33479^7 " " " " Divide ^7 " 49 I leave Before of two with very J this Variety, I cannot help taking Notice particularthings, viz, Firft, that I never met Example an 57- ( in all the Authors I have the Circulate its Dividend in Subjeft ) where requiredin Subftrading it to carry one in my hand Column, as preceding Examples 6th, iich, iirhy 13th, and ]i5th,which. I purpofc. feen this on mation by Transforits Right- to viz, the 4th,. contrived oa ^ And 2dly, Example, fewer a due of 1 1, Attention not Figures than and 13, in the that I remember the Circulate where Places Examples I dp except ever in its Dividend of that One, Propofer, is its and with met confifted Divifpr^ as that, 'for an of in my want wrought falfely. CHAP. (rf ( ) 120 VI. CHAP. ReduStton Circulatu. of I. CAS^E Time, or Mcafurcs, Money, Weights their Equivalent DeciiiKkl ExpreiTions, or reduce TO , i^c. to it, I know near (byDiviflon) Firft, Reduce of there it, whether above Example er noc This 2dly, to given this Decimal the to Example D" S 4 12 ^ Io 1 13 3" of Quotient add the if there be of next be that Species Number any. And ding higher Species, ad- Number of that Species fo and proceed^ any ; the Integralfought. (u) 'Q0" : 3 the to Decimal of L. a Steriii^ 0:;- I 11,75 I 1 3,979 jinfw. it : Decimal of that the if there Example, arrive Reduce the tfielowcft Number the to the to any Qaotient found, this until you be Example, reduce laft Sum in the to ; Species in the that thau thcNumberof ETample,. the in Species, given in the Method readier a Rule. following next not D. 1 with 6 5. with ,"989583 of D. II a 1 added 3^. added L, to to ,75 D. "979 1 the 6^. ift"^ the 2d Q^ Sterling. ja I ( ) ^2^ Example (4.^ * Pint!. Gall*. Reduce 63 r 39 Gallons. the to 7 ' of Decimal ' r,; an Hogfhcad of " I 7, Pints 8 ^ 9 63 -" ^7\ Gallons I 39*875 " : 4*4305 Anfwer 963293 6507 of Hogfliead an . Example (5:) " Reduce Zodiac of 17 " " / : 44 : to 19 Decimal the of a Sign of the 30. Seconds 60 I 19 60 I 44,316 30 1 17.73861 Primes " Anfwer ,59128703 Degrees " of a Sign of the 2^iac. Example ( ) i"3 Exampli (6.) * Reduce of dmal *^" It 7 : :o a it Duodecimal Fradion to the De- Foot. a Thirds 12 I 12 1 ,916 Seconds II Pri I 7,07638 12 " " ^njw. ,589699074 CASE of Foot. a II. Of Reduffion. CirculatingExpreffionto its loweft poffibleEquivalent Vulgar Fraftton. How reduce to any RULE. Find and 12, of Equivalent Single Fradion, as taught in this new widi Expreffion proceed, as in the its of Reduftion Vulgar Fractions So Ihall you thod Metain ob- Fradtion. Equivalent Vulgar its lowed : jfrf. Example (i.) Reduce ,571428 ift, ,571428 ^ being will produce " its loweft ^li^ , 999999 by the its loweft Equivalent Vulgar its E. = reduced fion to Method V. F. ^ of Which Exprcf. ^ Vulgar Fraflions, Equivalent Vulgar T tion. Frac- Fraftion. Example ( I*!-) r ^anfte ^^ ift, ,3863 (2.) V. F. it""qiii(ralene = ** ^ 9900 ^- And '-^ its \tm^ ^ = 9900 ". V. P. 44 EDtamptt (3.) " " Reduce 3,642*571 its loweft to ^ ift, 3,6428571 ^^^ Equivaknt its = V. F. Equivalent V. F. 999999" 3"l2!5i5 And 1% = omitted (killed in Pcrfon of finding V." F. E. 14 9999990 I have loweft their Operations Fradions Vulgar lai^ge^becaiife every at muft Mcafure the greateftcommon know to the Method given two any Numbersv CASE III. Of Reduaion. How which to expreflesfomc which Time, fiftd the to Value ktibwn refers, whether drMcafures, i^c. it of any Part it or be CirculatingDecimal, Parts to- of that Money, Integer, Weights, RULE. given Expreflion, ( according to the Laws of Units of Circulating Numbers ) by the Number tained con- Multiply in the which the the next given lower Denomination Expreflion refers ; of and fo that Species, proceed to to mul- tiply tiply by its lowed ral Parts its lower next Parts : until Denominations, the fpwxjcalProduds and come you fhall be to the feve- required. " "_ i/, O/CoiN.. Example, Reduce ,8739583 to (i.) known the Parts of a X. Sterlings 20 12 D' ^. Reduce 5j750OO a '3 r 3,00 ,59920634 to Parts known the of a Guinea Sterling. 21 ii984i2"98 7 S. s. '^?^^' 12,58333333 D* ^^-7 12 2). 7,000 T a Efcampk ( 126 ) Example (3.) " Reduce ". to "49074 the known Parts of a Moidore of zyS, 27 the tiplier Operations,obferve, When any Mulis compofed of two 1 2 Digits, either greater than of i2's, and o*s } or without fome other with or Digits, o's \ then multiply by the Multiplieither with or without ers and the laft Refult fhall alternately, compofed Numbers be the Product fought. But to contraft ExampU 959920634 Reduce 7 to (2.) refumed. the known Parts of Guinea a Sterling. 4" 19444444 3 S. 12,583 iz D. S. " D. Jf^er X2 : 7 7"ooo Example ( "a7 ) , Example (3.) njumei. " " Reduce the known to 949074 of Parts 9 I Moidorc a S. %y S. Anfwer In all Refults Repetend the latter of a only where the as of )5 to Places of Figures, other retain above* Example Reduce D. 13:3 confifts of (bme Repetend fewer Number of the known Parts (4.) of a L, Sterling. 4 ^^ 1,3 Example '( laS.) Example Reduce ,8984375 the to (5.) of Parts known of Mark a 5.13:4. -"" " " """- " -^^""" " 12^^53125=^ 9 C. P. X 10. " ,29947916 26953125 8984375 11,97916666 S. S. ^^ Anfwer * 1 D. iz : ii" - 4 D. 11,75000 4. - ^. 3,00 2''6'"Q^ W Example E H I O T S. (i.) " "" , Reduce ,571428 ^ to Parts the known Anfwer of ii a Tun : i Aver- : 20 4 ^ 1,714285 7_ of 4 fi)|20,o^ jl^f^cr II a Tun. : 3:17:11 exaft. ( I30 ) Example (3.) Reduce ^8958 3 to the known Parts of lb Troy; 12 O"- 10,75000 20 Oss. ' D^ Jnfwer 15,00 Example " Reduce ,9772 Dwt. : 10 15 (4.) " to the known Parts of a 15 Troy, 12 Ozs" jfnfiff.II Thus Decimal two or Rule, Dwt. : 14 Gxaas, : 13,09 Parts of proceed to find the known Expreffion given. I Ihall therefore propofe and with conclude them three Examples more, leaving their Operations to the Practice of you may any but this the Learner. S^fyj ( 0/Time; 3"% " Heduce ) I^I " " ,9285714 " ' " the. known to oF Parts a Year of 365,25 Days. Anfwer , 339 : many and Feet 2 25,71428. : Measures. of is ,972 Inches Yard. a Inches* Feet* Anfw"r 51 : 3 d^bly^ Of How Secoads. Mm. Hft" Dtyt. : ' ii" ft t How many Poles, 13 : of many a of Sign the Anfaoer 30 ,34469 of a Furlong. i. Mot ion. Seconds, Degrees, Minutes, is ,5912^703 Zodiac. 17 Seeonli" Ir^utet. Degrea. Note, : 4 Sthly^ Of How is Foot* Yards. Poles. Anfwer Feet Yards, " 44 : Degrees nuke V one : . 19.. Sign of the Zodiac. CHAl". " ( ) i8" VII. CHAP. Involution Of Evolution of Circulating and Numbers. i/, Of pBfiniHoHand As 28. For IS ^ ^ I I E H Involution. continued intoitftif of Mulriplication IffuoWion^ or is caHed railing the Example : HMh. feveral any the of that Powers Quantitf Quantity. 29. If a Quantity be multipliedby t^If, the called its Square, or 2d Power its i ft Pdirw" 1 being the itfelf. given Quantity multiplied by !t" firft Power, CiAe, or 3d t^ower. by its ift Power, Thus 4th Power. you pleafeof And the that Produ" you That or Root" being is caUed its beirigmultiplied is called its Biquadrate,or Pov^er 3d raife what to on given Quantity, any Produft Power Produ" the proceed may 2d of manner whether er Pow- Finite, or Circulate. A TABLE of InfinihSquares proceeding from thefeveral InfinUeEicprejions from Vheir " " Now ,1 ,2 " = 9O49382716 " " " " ,4,x,4 " = " " " " X " ,4 t " " " ,8x,8 ,9X,9 = " *7^*7 " " " ,6 " " "i9753c864 ,308641975. ,5x^5=: 96 " " "oi2345679 " " Powers. " x,.2 ,2 2d Inctkfive. =; " " And " " x,x ,1 " Squaresor " ". to ^^ yi ,604938271 " = " " ,790123456 " = 1,0 Nottr ( " " As Nctij " 90123456799 Root of ,1 of ,3. that the as Square deroonftrated is 4th " " is the " " of Square ,4, " " is ,6, therelbre ,4 is the " is 9197530864 of ,9 is equal to Unity, or i is evi- continued is equal to i, ,9 infinitely And the Square of i, is ( in Art* 13O That hence. from dent ,012345679, of ,6. the 4th Power And of Root Square die and the " 93,197530864 " and ,1, " " And of Square therefore is ,3, " Power is the " " Square ) '33 * " . I, for And 100 Square therrfore the ; the of Square Square of Square of is equal to the to of Square equal to is 99, equal is the eqpal tp ,0001 and ,000001, of Square % i. is and the And : fo Q" dw on. equal ,09 equal is 9, ioooo is^qualjtoio6ooo6i"artd 999, ,009 is alfo ^ iaine Reafon the fo likewife And of to Square ,01 $ the of ,0009 fo on: 1 " - . And are as the feverally i 2d, or 3d, 4th, 5th, or Unity fo likewife ", 6th Powers, the fcfr. of 2d, 3d, 4th, 5di, " or 6th Powers, f^e. of ,9 U arc 2 fevewlly i i pr Unity. Here ) f 134 Sera TJB folldws". ibe frm LE-.of InfiniteCuieSi proceedings the from feveral htfinite EpcpreJJions^ ,1 t$ y^,Inr clufive. Their " " Now ,i " " " Cubes or. 3^ Powert. " ,00137174211248285^2435939 ,itx,ixii'= 6433470507544581618655692 7297668038408779149519890 the 260631 of I.. ,2- Cub^ or 3d Power ,1. . And ,oi09759368998^8257"875ijr ,2Xi2X,2= 14677640603566.52949245541 " , 838^344307^170233196159122; " 2 ^ the 085048 .a?'*3"'"3 .3: ^ "o37, = Cube of of ,3, the Cube ,2.. . ,4?",4X"4.=="p87:f5H95ia89026o63iooi37- ,4 "' ' K 124828532235939643;34 17421 7050754458i6i865569272976" ' ^ ,5 " " the 680384 = ,5x,5"""5 Cube of ,4.. ""7i4677.64o6o3566529492455 4183813443072702331961591 2208504801097393689986282. " " the 578875 , , " " ,6 ,6x,6x,6 ,7 .7"""7'".7 " = = Cube ,5. " " ,296 of the Cube.of ,6. ,4705075445816186556927297 6680384087791495198902606 31001 37 1742 396433 II the Cube 248285322359, of ,7* Roots f *^ .... " f "8 , ,8x,8x,8 " ) 125 ,7023319615912208504801097 3936899862825788751714677 6406035665294924554183813. = ^ "S* K ^ the 44.3072 o ^ " "9^99^i9 "9 f" " " " t For much as as "s?r. as ,00137 ,1, oP Root Square of ,9. above, is the 3d Power " the ,8. " the Cube ijO = " and of Cube " is ,3^ ,1 of " therefore fcfr. ,00137 " is-the 6th of ,3. Power " And and ,08779 as the " fc?^. above, as of Root Square is the ,4, is 3d ,6, therefore of ,4,, Power, (sfc. is ,08779 m fhould Whoever " of ,6, Power 6th the be """"" ,j inclined raife to the 4tK Powers of " ,2 ,4, ,8, will ,7 and ,5 find that each CfrculatingEx-" Places of Figures deep. And in of CompoundCirculates, we muft take an approximate Power, inftead prefCon will confift of 729 raifingthe 2d or 3d Powers frequentlybe content of one the exa" Hundreds, or However^,3, of ,6, and to which ; Thoufands fome as will the to are ad, be often very of of fome Figures,deep. 3d, 4thj found confift with and 5th little or Powers no of trouble, I dhfdfe in this place to exhibit their Operations at large ^thac the him, might know Curio"y. fhould lie, wbofe prompt Method fhorteft """ )):,? how raife the like or higher Powers of " """" ,4 ,5^^,7 to or ,8, or of any Compound Repetends, lit. { "36) f ift. Let "3 be given to be involved to its 5th Power; Opiration^ 1,0 its ,1 Sqiure, 2d or Power. *3 1 .3 its ,037 Cube, or 3d Power. "3 I, III 1012345679 its Biquadrate, or 4th Power. I"035 91*037037037 ,004115226337448559670781893 5di or ics ^orfidid, Power. I . And duft if this laft Rcfult divided foyoa inclined may by 9, the proceed on multipliedby be Quotient will to raife what be and ,3, its 6th Power of its Pro- Power, ,3 - you and arc to" Obfervc the 4th Power of ,3 is the 2d Power of , 1. 2dly, ( 13* ) JExample (i.) the Find of Square ,36. Operation. Note .J6 36 ,36 = "99 2l8 " " 1090 1 13 99 09 22 13 09 3" I I 09 09 09 40 49*58 67 7685 09 09 09 09 09 09 94-03 12 I 22 .13 40 31 67 76 85 58 49 95 04. Square is the circulatingExpreflion, as inark*d Its 13 22 above. " " After be to will like the Method the ,0330578512396694214876 be found be to we as : " 918 And the will be found Square of ,72 ,5289256198347107438016. otherwife Or Forafmuch of Square thus already have : obtained the Square of ' " " " ,36, and therefore that the the ( that is " " " x Square of " is the one half of " ,36, ^ of the Square of " 4 " " the = " 22 4 ^3)5will give " Expreffion ,18 y " ,1.8. And ( 139 t And the as " Expreffion ,72 ,36, therefore times 4 ) is twice ( that is 2x2 " " ,36 will the give Square obfcrve. There For Similar Integral,Mixt former The Expreffions,and Expreffion ,36 the 3 of or or 4 as of of be to be Finite as ( the between or arifingfhall 5 . confidercd ,36, or " as its - or " " . or -V- Multiple of any the of The .^lultiplication : Square required, ' " -7- of fonu: . aliquot Put .6?^. I .firft " Gf^;. and " ; with of ^ fquare the it divide the 69 4 t Infinite as . Square . or 3 2 " " their 6 . be the the . lar Simi- ones. Square of tlve Laws to if I wanted their and Powers . But ference Dif- Figures arifing in to are tween befubfifting I firft fquare 7 times "c. 7 (^c. and with it multiplythe Square 4 . 6 or 5 3 Square their Roots, is found the want the Harmony and indeed I ,j6, according Produft fame as the latter then, if Hence of ' Fraftional, Finite or that " of Places excepted ) Powers Roots. is the Number 4) Times ,72. Infinite Powers of the feveral of 2 = ' " or " of of Divifion : the ,36, according to the Laws Square arifing Ihall be the Square required. And (Rodent not the but the only aliquotParts, aliquaatParts thereof alio it would might be taken too ; but frequently prove a tedious I Operation i fuch thofe i " 29 " in JV*^, The all 8^- " 13 fame higher Similar II 6?r* " 13 as 5 ^ as 7 " 17 Or fuch Expreffions *^ 19 6?r, 17 Harmony fubfifis in Similar Powers i X only thoe the Cubes, and Multiples,or Aliquot ( Aliquot Parts, fions required. muft be I40 ) cubed, ^c. der of Square {viz.) " obtain the Expref- Examples. Atore The to )i4%857 is the ,02040816 "(. circoladng Exprefllon unSee the Expreflion at 49 large in the Table. ,285714 4 " " 9 And 16 .42 "- times the lame is the Eiq"refllon 857 S^- of "" ,571428 " " "7i4285 36J "857i4" " The Square of " is ,54 ,2975206611570247933884. " " iTfaeSqiwpof " The Square " ,360 of is " ' ' " ' " ,129859589319048778508237 967697427156886616346075 805535264994724454183913. .643373102832562299202175 " " t 14S1 i" TKe 2 10940670400. " Sqqar*."rf.i,^3is .40495867768595O4i3a23i o * * i ^ . " -^". Find r " \ " ) ("4X Fmd the Square oF ,i6. Jttfie^,0^75 ,o"7 Find Square of 8,3. the Multiply 8,3 by Subft. 8,3 8 j^ New Multiplier^ 416 5833 9 1 625,0 Anfwer 69,41 69,4 X 2 Find ( ) "4a " Find the Square of " 54963. " " Multiply 54563 bf 54.63 Subft. 54 New 5409 " Muldplier. " 7" 491 OQO " a " 185454 273x8181 LJ 99 I *9 1 09LWo90909'o909)09 28, 0.9 09 09 0909 'I '9 84 12 a I '303948 15 I I i" I I 57^75^*493 I ll l| ll II 02 2I 1 lUo 29 2i 21 2i 2. 2985,13223140.4958677685950413223140 ^" I " " M^" " f^i^" Anftver^ Its Square is the Compound outk'd "^l^l MiM " HI " I " I Circulate^ " as^ above. Find: ( Find Multiply the Square of ,027. Note ,027 ) "43 the 32. Exprcflion,027 = 999 by ,027 Therefore is the New 27 Multiplier. 189 " " 0540 ,729 I'll I yy^B 599 f I r "fr" 729' 729|729'729 ^c. 187 916)645 374 4l 5 31 J '729729 729 458 460 189 649 108-8385682980^77 5748721694667640613586559532505478451424397370, 730 "ooo 919 379 the 34331628926223520.81811541271; Obfcrve, That 6th Power, eafy to let 6fr. of the Depreientthe fuppofing its higher that or too Hand the Root, or of ift Power begin to lA or the in littl" a like Root, the ^27-.. 2x1, 3d,. 4th, 5th, or ift Power, it is very Expreffion, with fame of next Alteration,. Power,, by Place, either the Places Integral or Decimal the Decimal Diftindlion by only removing in lower, four Places of Figures, towards and v either- the right :. Or elfe by- prefixing00, Decimal the Expreffion is after that J^owfr,, to what cither manner or a you or 000, before Diftindion the And have any Powers three,,or two, if you Square 2d, the or Degree higher Whole, 3d, remove may oc coco's, or and placing. according 4Ch Power^ its Root, as. (slc^. or rib bwenyou^pleafe*. For. ( Indance For which of Root, or Units, of Place Power, Now Unit. dn ft I Tens, Squares will be thus in the Place of Units and And of of of and ,004 " likewife So Root, or I ft Tens s to begin Tens of 6 or feveral in the Thou- muft Squares be " and ,00004 repeat of Place the Root their to ^c. Thoufandths, "r. feveral their begin to Hundreds, " " 6?r. } in the begin to in the have or Unit, an 6 Root 4444, to Hundredths, fandths and -, the contrary, on Place for the 44, ; Root Hundreds, or in the Place 444444, the have to or of ,6 Square, or 2d Power begins at the Place of Tenths the is ,4 -, ) '4-4 "f^. ,0000004 " " ,037 is the Cube, or begins the Power, at of 3d Power ,3 ; of Tenths Place which of an " Unit. Now Units, or " and And the Tens, " " be 037, of " fo or lower as Powers th"s make to at their have the Root will we Cubes muft be " ,000000000037. may Roots of Thoufandths Tens " in begin 3 to or feveral their and manner of "f^. " ,000000037 after of Many (^c. " and ,000037 And Unit, Place " Thoufandths, or in the their feveral Cubes 037037037, to contrary, Hundreths, an "c. " and begin to 3 Hundreds, 037037, of " or the Root " the on Place have to to ers, proceed with any Powbegin any where, higher Plcafure, regard being had to be made the different terations Al- their different Periods. more I have Obfervations here might concerning exhibited, and their Roots, "r. but I the am perfuaded Method The ) extrafting the with fame is the Powers of t 146 that of of Roots Circulating Numerical other Powers being taken in the Difpofition of the feveral Periods applying them alternately( like as in Divifion ) to each by care Refolvend long as It is befide in therefore mu"k Subje"b" than intended my this Place Canons, that the Procels as refer the And I the to new is continued* Brevity for ; ; the lay down to of Powers other Books Refolution Reader confult to fuppofe I Ingenious Mr. fend cannot Ward'i Rules, him to a or I : on ter, bet- Maihemati'- Tmtng ttaifs Guide. XAMP E L ES in the Square Root. " " " (i.) the What's It would needlefs be Reader large, my Square of exhibit of to Extradions cxprels their Preparations with ,012345679 ? the feveral being fuppofed the Method with to Root Operations at be throughly acquainted therefore I (hall only ; their Roots as follows. Tbej^ven Refolvend Prepared. ,0123456790 (2.) What*s 6?r. the (,ijiii Square Root iSc. of its Root. ,4 ? Preparation. *. , " " t fSc, i y666 (^c. ,444444 (3.) What's the Square its Root. Root of ,132231 t^c f Vide Preparation. ,I3?23 1404958 iSc. (,363636 6fr. its Root. (4.) (4.) What*" the Cube tlM ) H7 { Sfloc of ,0011717 Squirs ^f- Vide of i. " " ^r. ,001371742112 t3c. it9 Root. (,037037 \ " (5.) Wha^s fogt the Square of Root ti"985S"56?^ ^ Vide 140. Preparotm. " G?f. ,129859589319 " "ff. its Root. (,360360 " the (6.) What's Square Root of " ,027 ? Preparatim. " " " " fSc. ,02702702 the (7.) What's " (,1666 6ff. its Root. Square Root of ,0204081 (ie ? Vide in the Table, 49 Prepantitu. ,020408163265 (8) What's tbe 6f"^. (.142857 S^oaic Root of ejftf.its Root. 69,4? Preparotm. " " " ,69,444444 6ff. ( 8,333 Cj?f. its Root. (9.) What's F^^ tht (9O What's page ( 1+8 ) ScfiArtRoot of 2985,132 (^c? Vide 142. Preparation. " " 6?^. ,1985,1 3"a3H^ E XAMT LES (i.) What*sthc ^ahle of (54"6363 Cube the in Root Cs?f. its Root. of Cuhe Root. ,00137171 t^ct Vide Cubes. Preparation. " ^ " "*?r. (jiiii ,001371742112 the Cube (2.) What's Root of fc?^. its Root. ,037 ? Preparation. " " " tff. ,037037037037 (3.) ^able the What's of ( ,3333 Cube Root ^f- of Jts Roo'" ,70233196 ^c f Vide Cubes. Preparation. " " " ,702331961591 ^c, (,JJ888 6?f. its Root. " XJ Mr ( LES XAMP E in the ) '49 Biquadrati R)ot^ or Siiuar" fyuared Root. the (i.) What's Tabic Vide Biquadrate of Root "o 12345679? of Squares. RULE. Flrft and the extraft then Square Square Root the the of Root given Refolvend ; will be itsi Biquadrate of its Root required. Root Preparation " " " " ,0123456790 " " ^". 6f^. (2.) Wnat*s the Root Preparation ,1975308641 t^i. " ,44444444 its of Biquadrate Root* Ofr? ,197530864 i. fef^. its firft Root. (,44444 Preparation " 2. 6f^. (,33333 Biquadrate its firft Root. ^c. (jiiiii Preparation ,iiiiiliiii 1. 2. t C^c. ( ^6666 C^c. ks Biquadrate Root. " Y 2 " " EXAM^ (ISO EXAMPLES In the it^ tbe sib the (t.) Whu*s page 136. ) bavEicamplts SittftSdXMt, tr Power gheH to find Us Root, Surlblid Rootb! "t ,00411 Vide ? Pftparathn. " ^0041 What's (2.) Vide " " " 6ff. 152*6337448 page the (,333 ^e, Rooc of Surfolid M Root. fcfr ? ,13168724 137. Prepantion. " " " " i^. ^31687242798353 EXAMPLES Root in i or tbe ( ,665 Cs'r. its Surfolid Square CiAed^ baving Exav^ks tbe 6tb or Power Cube ghen Rooc. Squared to find its Ami. RULE, Firft Extrad and then Squared die Crfie the Root R"M Root sf of dw Refolvend will be Root m die Cabt Sqoand the $ Qibe f^t f Vide of ,00137 Root Cubes. Preparation i. " ,00137x742x12482853 Square given required^ (i.)wimp's f^of Square 6fr* " ("037037037 (^c. its Kooc. Pripanakn. ( IS' ) i PreparatioA " " m "^. ^37037037 (2,) What's the ks ii". ( ,333 Squared koot Cube Preparation ,087791495198902606 Squared Squared Root. of ^oZyygi^^ (^c f " " ( 5666 "r. "r. only add to give an naft extrad the Root, (^c. of its Roots the Truth, plying the 2. For from % or Rational PowetS Oabe, which or ; we if it mirft a Approximate approach om- matical Mathe- ; to SurfoUd I Anfwer nearer be I required were Biquadrate, or will and ; already defined. Irrational Power an Root. only infiead of Anfwer, inftance ,142857 to give an but Squared for their Roots Approximate Square, its Cube hatll been are, this. That one. content of tretsed Powers Irrational be (*fc. its " I have muft ^1^6ig62^6 ( Root. ,296296296 what i. fcff, Preparatum tent Cube Tdbli of Cubes. Vide fhall %. iky, we for each and nearer according as each Procefs, by continually ap* and lower given Circulate, is carried down lower. though And yet near we may, any pofliblycome cannot by carrying the Truth, leis than we on that its Defeft the Work, (hall be at its juftRoot" attain the as little, or Root fo indeed aflignableDifference* CON- ) ( ija CONCLUSION. AM I Men to of in each exhibited be me with their feldom very latter, whilft turn out by ingenuous ally when figned he to Perfons of Part, ficient leave of for it to inclined what their chufc I have that weakeft of to with former to the they will generally even it Writing Head more ; was efpecichiefly de- believe and Science, that the would have their : own To tions, Calculadefirous yet lefs than exhibited, rejeftat Numerical in perfefl:Information and confiderate every Capacities. this here that my clear a though ignorant am they mud careful Attention readily excufe will fhall refleft the it, I becaufe amples Ex- of ples prevalent Examdeed inPrecepts. For Youth a myfclf, Reader inform to than Multitude more and proper of the Multitude give a much Pupils, I flatter and learn how -, Apology no ready pradical Arithmeticians. Wherefore As Chapter fully convinced, are for the Profeffion own my make need I perfuaded thoroughly fuch one fourth been therefore Difcrccion. TABLES to fufI ( DENOMINATORS. '54 ) ( 155 DENOMINATORS. ) ( 15^ DENOMINATORS. ) ( DENOMINATORS. '57 ) ( ^58 ) DENOMINATORS. i8 20 *9 21 .9 ,857142 *95 ,904761 " " " " "95238o 20 21 22 24 26 CO Pi " I O 0384615 29 " "0357i4a8 "037 o " 076923 ,0714285 "074 00 " " " 3 . ,10714285 153846 1 ,^48 " 4 ON K" " ON ,185 1923076 ,17857142 230769 " 7 o\ ,2142857 ,2 " 00 " " 6 00 a ,142857 O " 2 Vl o" " 5 10 " " " D " " 2692307 "25 to " " " " " 8 " ,296 307692 ,285714 00 " " VO " " 9 3461538 ,32142857 "3 " " " 10 " 384615 ,3571428 .370 " " " " . II 4230769 " 12 461538 " "407 " ,39285714 " " "4 ,428571 ,481 ,46428571 " 13' " " " " " " 2 28 27 " NOME- ( '59 ) DENOMINATORS. 25 24 23 22 i8 ,81 ^75 ,72 ,863 ,7916 .76 19 ,90 ,83 ,8 20 21 .954 ,84 m ,88 22 19583 23 ,92 ,96 24 30 33 32 31 to " " I o .03 ,0625 ,06 00 O H .03125 ,03 " " 10 2 " 00 "J o " ,09 y09375 3 (Hi " " en 4 f'3 ,125 ,12 ,15625 ,15 ,1875 ,18 ON " " M 5 ,16 " " 6 !" 7 ,21875 .23 " ,21 " " 8 ,26 I ,24 ,25 " " 9 "3 ,28125 .27 ,3125 ,30 " 10 "3 " " " II ,36 ,34375 ,33 ,375 ,36 " 12 "4 " " " "" " 13 A3 ,40625 " ,39 NUME- ( DENOMINATORS. i6o ) ( DENOMINATORS. i62 ) 1^3 ( ) DENOMINATORS. I 2 3 4 5 6 7 CO 8 O H " Ui 3 P 2 4 5 6 7 .^^i" 8 9 -". 20 21 A a NUME. " ( ""^4) V DENOMINATORS. 35 34 22 ,6285714 23 ,6571428 37 .61 .594 ,638 162 38 " " t t " " " 24 36 ,6857142 ,6 ,648 ,694 "675 " " 25 .,714285 " 26 ,7428571 "72 ,702 " " " ,7714285 " " " " 27 " " *75 ,721 " " V3 28 ,8 .7 "756 29. ,8285714 ,805 ,783 30 "857i42 ,8i ,810 ,861 .837 .8 ,864 ,116 ,891 (Iti " o " " 3" " ,8857142 " " OS 3" ,9142857 " 33 ,9428571 34 ,9714285 " D " " " ,918 " 35 y97^ "945 " a6 " " y97^ 37 38 39 40 41 NUME- , ('"S) DENOMINATORS. ( DENOMINATORS. i66 ) ( 167; DENOMINATORS. 48 47 o M h" ,02083 49 o ,0416 ,02 ,04 o 00 ON ,0625 vo M ,06 ON 00 10 VI 00 ,08^ ,10416 0\ Oi o ,08 ,1 o\ O 00 ,12 to :f^ o o\ Ck" ,14583 00 ,14 VO 00 VI (d VO 1 ,16 VO Ot VJ VO ,1875 M 00 to 00 o\ ,2083 VI ,22916 .^ ,2 ,22 VO ,24 ,25 VI ^0 VI ,27083 ,2.6 ,2916 ,28 .3*25 ,3 ,3 ,32 ,35416 ?34 00 vo CM ,375 ,39583 ,38 ,416 ( NUME- ( i68 ) DENOMINATORS. I* N I " U w M"E- ( 170 ) DENOMINATORS. i^'.^ PART ( D '71 ) ENOMINATORS. I' I Bb " PART ( ) 172 II. PART tM"" ^m 52 51 54 53 " mm* i**^""**i o " ,01923076 ,"85 vo ON O 00 J 0\ 59 rf ^ .A V 67 ( ) 173 1 ^amm 56 55 "I " 58 57 fed I "# ,017857x42 ,oi8 t? ON O Ud 00 vo ^ ""^ o\ VO VO ^ ON NO UH O " 00 :^. to to 00 00 6^ % ^ 63 "" i"M ** ^^"^ " { "k " " .. ^ 11,015873 ,0153846 fOiS^^S ,'"o"5 ' I I Bb 2 " 71 ( 68 67 O 00 00 ) '7+ 69 """ o ,0142857 VO 00 O vo 70 4^ f^ ^*^ oeoo 00 N" ' 76 75 77 ,012987 "oi3 O 78 ,0128205 i-i K" HI ON- ^ '^ 00 VO 4^ 00 ON 00 4^ 83 84 85 8d s" { '75 ) "*"" o to oo M 0\ VO o "0125 ,0123456791,012195 lo uo lO lo *^ oo oo " " 88 87. 89 90 ,01136 VO VO (O Ut N" 00 VJ 00 Ol ON U" K" M 00 VO o 00 o 4*^ ^S ( -76) 94 93 9* 9' " " O ,010989 ON o O . 00 ux vo ov CO 00 00. o ; oo- '^ ^ ^** to Q I CM O vo 00 vo OS \ I H 99 I Fi "oi o ^1^ ( ) THE and EXPLANATION O F H T USE E TABLES. Foregoing EXPLANATION. rbeir . E H T Tables the exhibits Part divided are ", lecond The fuch the to " firft Exprcffions vhofe 2 which Circulates run -of U- an for 50 by Infpeftiononly. found are Part, Tabular only the Dtximai The ' V nit inclufivc from end) they ^ (except Parts. *wo Equivalent for all Fraftiolns, dceip before into of fake the from Numbers exhibits Brevity, 6ff. " to with " , 5^ 51 their feveral Equivalent Decimal 5i 99 Expreffions. " - .. , neir Let it be requiredto USE. find the Decimal Fra6lion the of the Tables equal "^ Firft find in that then its Denominator Column in the A- 4 . A on right againft fide Column,' its Equivalent Decimal 8 you Top 7, found will find the among ^875 \ j merators Nu- which Fradtion. And is like the after And ) "79 ( will you manner find that = " 7 And ,7142855 * " I " " II 50714285 = " And J And 16 ' ,952380 = And ; = I ^c. And " = " fo on. the Decimals Where Obferve, -;25 ,058823 = " And "5?^. ,020408 And -, " I And J i^ ,48 = 33 " ,53571428 ' * " " 21 y ^ ^ * " ,916 =: 14 20 " "" deep, run at as " " '^ 17 ' I I 1 I fcfr. I there only find the Decimals multiplying the anfwering is to any by. the them of either myfelf with placing " correfpondingDecimals onci^ who but any 5 contented ...''. 31 34 23 29 in their feveral Columns of them 19 to each inclined^ mi^ht eafily* of their Multiples, by Numoratqrs of their , given Parts, according hers. inftance For Firft find in the ", the to let the Laws bf Decimal of the Decimal Tables Kuracirculating of be required. ~ ; " then multi- 7 ply that by 3 ; correfpondingto Tables 4 5 \y 17 17 7 17 17 Let would the in . 5 .bfe cbc 6 . 7 , 8 . . or 9 10 6?^. Equivalent Dccicnals to 10 9 17 4 -. -^ 17 the Decimal of -- * " be required. 49 ic the Tables Decimal found Number, 26 Again, Equivalent . tbc ieveral Refults 8 the if that And - n^ultipliedby was 6 (hall be its Refult the Decimal equal to Firft find y. - } then mulciply that 49 Cc b/ (i8o) by 36 its Refult ; refponding fhall ^. to the be Which Equivalent DecimaF Infinite Decimal cor- will alfo be 49 6 Square, the Id or 26- Of RoM Square of Power ,857142 6 = " } ^ " and" 7 For " c= ' ,857142* ^ "^^ 7 - . Commodious It is moft be exprefled in the Aliquot foregoing Tables, we its EquivalentDecimal ceadlLy^obtain find you from Thus ; T'' is the -" " 1.14 the firft find wherefotc 5 " thence: T Here 114 of fome of Fra"ion. -^- be valent Equi- if it pears ap- Part can 7 Fraftion the reduced Let giveri^ its it is fi) reduced^ is any given Fradion Fraction Vulgar Fraftion before when And one. that the one let the to in its leaft Terms,, Decimal the . 6 " 49 = Decimal Zl Expreffionfdrr ' 57 " r 1?- 9 tken the --V of -^ fliall*be that the Decimal equal tQ* 7 . "A" - 114 IT2 FfaAibn the reduced Let Ag^; **^ be It ~^. Here ^55 the of " Expreifiont 5^ 5 . . . for 2S5, firft find the Decimal wherefore ; " is., " by " the ^Tables . then i ^ the 5th Part of that IhaU be.: 51 the Decimal the given Numerator) mal equal equal 1 to " to " - ; which being multipliedby this laft Refult fiiall be the i j^^ Deci--^ 1 2 ". Hoflce i8i ( ) m then, Hence that evident viz. predion to Aliquot Part ^ the how of - any or find to Fraftion, of Parts the that Ufe of this farther Fraction it Tables, rs Advantage, Ex- Equivalent Decimal is either a Mutiple, one any the from or the an to " the forc- of inclufive, by the Afliftancc Unit an obtained have we Method a fhewing by the 99 , Tables. going It may perhaps be obgeAed by fome. That forafmuch large Circulates are not eaiilymanaged in Arithmetical perations, therefore I might pf particularlyentering of That there of by Way form within EUTay^ Vulgar their Circulates, and the FraAions of Compafe there at large to Tables, that die in with deal having ; many Trouble I anfwer. I know of, but Places many O- of gures Fi- require to compleat may my readily perceive, commodious how the fuch, that Rule, determine to myfelf To them. univerfal no fome them more being faved have as found I thofe willing was PraAitkxier Cafes, which when or fall to hibit ex- might the it is moft Approximates. " I take the add the following Table, think it be acceptable to fuch Perfons may very the Intereft of any m^ft corredly compute given Money, particularly large Sunis, for any Number And for many Liberty other to Reafons^ Cc 2 that mi^bt be becaufe as would Sum of I (" Daya. afligned. J TABLE " f B TA LE of a for the readyfining the exa"l Decimal Tear equal to any Nuniber of Days^ "c. Dlay5, I ) """W* MMMiilB A 182 Days. Days. =,002739726 10 ,02739726 = 20 =,005479452 05479452 = 082 =1,008219178 30 = 4 =,010958904 40 = 19 I 78 5 " =,01369863 ,82191780 60= 1,00000000 J I- 13698630 50= =,016438356 300= " of a of a Year=,25 " " 6 ,54794520 3^5^ 10958904 " 200= " " " ,27397260 " a 3 100= " " 2 Parts 1^438356 I " 7 =r,0l9l7"062 70= =,021917808 80 " 19 I 78062 2I9I7808 = 3 =,024657534 The If the of Number Days thus: is can be exadly found: their exad Decimal Day$) a)fi):lbundag^inft them by. Infpedtion only. ift the arp of this Table USE :=^9';5 24657534 90= propofcd ofa Year " " 9 =,5 " " 8 Year 2 But Table, the when there at Parts muft according given View, one be as Parts (under both then collefted the Number out Days They, and of the given Number of Table cannot at their twice, be found Decimal or tMce requires. As i ( -83 for As Decimal Example of Parts a Days 20a Then = * ^ ^24657534^ 90= '299 T Add "547945205 " J find to the t = Hence Suppofe it were required Year equal to 299 Days. " \ ^, : ) = ,024657534 ,819178082 * C C ^ thefe ther Parts according I^ws Laws togeto tha nfCir^iknncr of Circulating Decimab. the Decimal Parts required*. "OTiB"ia ANf: ( "84 N A E P P A ) D N I X, CONTAINING Aridiiiietic ^be Fraftions Decimal in the Fivt cf R primary l u commonly Taught, as ^"""li^F^-"*"" CHAP. A into Ten equal Parts divided more that by fuppofed or loooo, I into each lO, fuppofed of thofc in fuch or Equal iQOOoths, loooths, oaths, and is Subdivifion, t?r. looooo, Unit defcending divided be to fo Unit an the Decimal continual a is when and of Parts or equal Parts, ; i*^ I. Part a Fraftion Decimal A be is Fra"ion " e into may or looo, called loooooths Ten Unit or Parts, be Progreffion, the loo, to loths^ Parts of an Unit. Fraftion Decimal A Numbers, whole from Figure, Thus called ,5 of jHundredths fandths 5 Unit an Jionths an Tenths Unit; an Thoufandths of now the Figures, exprqffing or of frequently diftinguiflied before the by prefixing a Comma is Unit. and j of an Unit of an and ,00703 ; and Decimal Unit ,596 ; Fraftion. and called called ,000055 ,04 called 5g6 O 703 called 4 Thoue ^^ dred Hun- Mil- i86 ( the firft Place, idlyy That the the fccond the I perfiiadedthat am even feveral the being increafe Numbers fo do increafe Places the decreafe, in or the be with whole of j^c. in 5 and Unity. foon convince Places Whole ot portion, decuple, or tenfold ProDecimal Expreflions likewife a tenfold or Fradions, Operations the Learner is ,5 fo on, and " of ; and Unit, an will Proportion. in every muft in Refpeft Sgbtradiclh, Addition, carefullyobferye, equal , =: - - That = - z=z ". thus however viz. ~^ to 10 -^- Unit an of Unit an Numbers. Exprefljon the as the have I would of the as decuple, a Decimal Finite fame of of wards to- naturally follow, that all the Operations DiviSubtrafbion, Multiplication, and in Addition, fion, of that Unity it will then Hence Tenths littleRefledlion a decreafe or of Subdivifions Decimal Reader, common every Place Thoufandths of of the Place of Hundreths Place, the Place third fo on, the Place Place, from is the Right-hand, ) 100 lOQO varied. lOOOQ Or Expreflion the as ,04 is equal ^ to -^^= " ICO - " - fo on, and '" = " , however 1 coo thus varied, 100000 I 0000 So from hence Expreflion it neither it is with Again, annex you increafcs manifcft, that if any decreafes nor Regard 10 to 100 to Number the Whole any of Value o's mal given Deciut Plealure, thereof. Numbers. 1000 10000 . As ^^ I r= =:r " 10 " 100 " =z 1000 " (^c, IQOOp Or " i "*"?) 200 20 20000 2000 ^ ^ Or as 2 = = " ^ ai 50 - ^= " ^552. = = lOOOO 1000 100 likewife is it manifeft, that if So to maf any yeu" amies betwwn DiftinAlon ikaAd thmK win ftitfcentkraeof Amuc: Vaiueae appear Dr. their DedNumber before/ ^ . Ad"aficag"oi^ amieadttg^^s* at pleaiivs^ and ia ^ven Integral with Hmhmgal ... TheUfe any of 0% Number ^31 ^^^ lOOOO Number Ae 500000 500oa^ = 10 " cw. xooo 100 10 Or = " Siibtraftiba ahdrl)i4PifiM. XPtf/2rxremarks, fedlytre^^d of (whidi ^ thb (ti^ jif firft Author who Subge^,waf 5r'fi|^;;i S^nus^ calls profef- in Trea- a BkcimdU) iiibjoinedto his Arithmetic, publilhed in French^ and printed at Lejden^ Planiiffs Printing^Houfe)in the Year 1*585t "in Cbriftiifber firft written ia lUftcbj (and perhaps had which be ^d that into and softer tranflateSP in language) publilhed tile French^ zpd ^hap^ c^ fo Dtjm pubUflied it, of This artificial Way ;Uoity, can be never ;be more J much expeA and Time, foever or out one hope to to One but of compleat Arithmetician mjgbt heartilywiih for, fee ^ft^ljlilhment,Jhcrefpre lb let JDd happy, us won- Arithmetic think, that three Months for Farts of hoyr ^Weights, Dedmally fubdi- a to or the various thus were Time fufficijent turn Part, all the "ules. incident inclined am than *Capacity,to iiow expvefliiwany all thraugb,if ^iniverfally Coins, Meafures, ^ided. ^i^e Kfiory ^f JBgAra^^ ^gply f^gied. Fc^ too quick would decfujU^T Jbe gone or and a would tolerable in. yet we fo uniform proceedto CHAP. But not canas { "8") II. CHAP. RULE. " careful BE under fandths, the as marked as under and underneath Tenths, Thoufandchs Hundredths c^ beIow" Whole will l And Numbeh then be the ; Total Thou- under proceed whether* Simple, Expreffions, given Addition off place Tenths HundmUhs, "r".as feveral in to its to or add up Mixt" Reifult,when fought. CHAP. ( "89 ) " C P. HA Ill ' t i It ( " RU L ".. 1 ;'. A Tenths PLACE iSc. Hundredths, under Tenths, Hundredths under before taught. Then proceed whether Simple, or Mixt, giren Expfeffions, to fubtraft as in Subtradion the of as Whole Numbers the.Rcfult i will be fought. the Difference V; "ii..* v'^/"' i^'ju \ ,\ c\i- " ^ E^camplesr Tards. Id. From ,534 From Take ,396 Take ,138 Diff. Diff. ' ^^,475965 From 39,4715 Take ,9975 SA7^4^5' ^ ' 8,794765 t"i'fib55^7673 ^ "' ' \ Tards. " - '^ _ IV. CHAP. ACTION. MULTIPLIC RULE. C E PJLin OWhole E with D both FadQp^ Wbrjr BLcfpeftas in -! ?. j.U! Numbers. ., And to determine the Value of thejJPcodiift,obferve following Dircflions. * ift, Mark Part yen in both off" in the as the ... Places many Product, as of there Figures for are Decimal the tional Frac- Places gi- Fadors. D d 2 zdly^ But ) ( *^ 1 "Myj But Places ib many Places many when, o*s to of often may ha^oen,there iidt Srbduft, J]lgures.!m as the Whole And then EzprcBon let the are there given in. both Iia"im, be careful impef^eft9r0(l6", 'asr is the 'firjl fiipplythe Defeat bdore as it to are not cimal De- prefix fuffident as. ca DiftinAton Decimal fitttfc Produa, as in the jd^ 4th, and 5th Examples following.. 1 1 1 C HA P. ( C ) "3" H R A DIVI V. SION, t RULE. PROCEED in And lumbers. tiett^osUbr^a the the detcrniine to following 1*, WhcniShc"ivifor, Mixt, or ^or Azxi its given "ire to be fo die^tdTQltki^he^otient Ncccffity of fa'be Whole cffllhe y^M^ Q^o^ 'Ihtegral,. of Figures- Places more carefbl to oiaf/capCKO^ o*s annex continurthe to as Vakfc the "^htttier Dividend, in as Dtfeftmi^ Simple,, confilts l^mdend,. the Operation, plea- at Operation oifcar until 4tbe Truth i as^ ma,jr, require %3fy4 IVfiuffeoff in thfc QgotimtMas-many-pficcs of Fi- . Pra"fi5nal ^gdres fef the ufed Places Blaces Places in in Number the of in the Drvifor the Psrt, Decimal is the Excefs of more than the Decimate of Decimal; Dividend, That : Quotient as 4s, the Number Bivifoc^ and nuift be the equal ta cimal De- the lifed in the IDividend. Places . When there 3^9 zxt the Quotient to mark off prefix a fufficient Number to fupply the Defeft^ and not Koces of Jm^ms enough in . before the fj^r-^ l^ftionflil efo'ts then to the f^m, imperfeft Quotient*, fet the Decimal whole Expreflion, for the Quotient, 3d) 4th9,8th,.and pdi Examples following,^ (i.) ywimiift: Diftin"lion. as in (1.) " 7- 1 4Sg5"347.i- Qjjote 695,0495-^ r6 1_^7"4^' Qjiote. 175,894a thcj " ( ) 192 (4.) (3.) 8 I Quote " I I ,0017544 1,2 50472 ,001462 Quote ,018809 (5.) Divide ,475 by (6.) Divide ,0012 I ,4750000 ,0012 9S^te I ,9 Qyotc 355*833 4- ^ by ,,9 1,000000 I,; 1 11 4- 1 VPM^iaMWii^^* (8) (70 4.9 D. 1 479*47585 4 by 57"49 441 Q; I 4,o"ooooO 57,49 97."522^384 (^c. 34494 Qi .o%57 455060 "f. (9-) Divide 48 I i by 48 1,000000 96 ^uote "\- ,020833 49 t??f " . CHAP. To reduce Vulgar Fraaion Fra^OD, it. pr near a VI. to its 'K/ ' Equivalent mal Deci- ^f^f-M ( ^ (4.) Reduce to ) "94 Fraftioii. Decimal a 040 640 I 31OQQOQO0 ,0046875 ^j!^ Finite. ,0046875 "" -^ (5.) Reduce " Decimal a Fraftion. II -4|^"ir "ppitiKiinaJ"ljF. J8tttwhew in* its Qootioit;, FepQac.iimniteI]r "^^^ ."6.) Reduce to " a Decimal f raiEfcipn. -^ 21 21 ^* woi^fd z' . I 4"ooQaoa . 21 ., i 90476 -fc?4?. ""^*""""^ "r. 190 y*j/5wr ,190476 appcoximatelx.. %t wh"re ,190474 , would repeat r^ (7.) Reduce ,a to a kfr"^tient. 'Decimal Fraaion.: t"ecim"l- Exprefl!en equd Sterlingbeing the Integer. /words, L. in infinitely find the ^6^ x)thcr to-jQae Fai;thin" 9^ "sfr. 40 "?r. " Anfiver ,oawa4j(tf^ appniasoiatdf. repeat in I 1,0000099^ """"""""^iM-w^w^ "ooio4^6 Or, Infinitelyfrom .Quotient, if the the Divifion Place ^m^ But of wb^re ^ would loooooooths continued on in its ad In- )i ( 1^5 be It may an agreeableAmuTement K^a- o^my fome to , ' they when ders* Decimals^ Infinite being "Coi04i6, acquainted are find to that Divilbr the the with the Decimal Expreffion of given Number Quotient their Equivalent io any Sterlings will give in its of Farthings matliematicallyexaft Number Founcb diac the fitme the contrary, tipUed by iwy given Number might be cqmpofed all the Intermediate known ^plyingit according 5, g^^. inclwve indeed, But, fiftance the Addition of Refpeft, to anfwer to and on ^^ that from Parti th$ Laws the large accurate an i Decim?^ Oxpreifion, being mul* of Farthings^will giv6 in its Piwiu^thdr.equivalfQt Numb^ .1 mi)0: farther obfefve, of Management above Table Decimal of a of Cirwlatn "" Exprefllon mul- Sterling,by l^ as s" Ihort fblj^Tving of Table, by 6n|y, wil|" Ciitulatea the in t . V a" Af* ever|r. the frmf ^rpofe. .1 '. ^" 9^^ . ."" of JfA' '