Lentz/Wolfe 2010-2011
How do I use my calculator for Scientific Notation?
Three important keys found on the TI 30XA:
2nd button
EE button
“Flo” button
“Sci” button
To convert a number into Scientific Notation, you must:
Input the number as given
nd
Then, hit the 2 button
Then, hit the “Sci” button (it is above the #5)
To convert a number from Scientific notation, you must:
Input the number as given
Hit the “EE” button, then input the exponent
Hit =
If the number on your calculator display is already in Scientific Notation and you would like to have it “regular”, you must:
nd
Hit the 2 button and
Then hit “Flo” (it is above the #4)
Lentz/Wolfe 2010-2011
Information to keep in mind when working with Scientific Notation
Negative exponents indicate you are working with a very small number
Positive exponents indicate you are working with a large number