Casio fx-991ES Plus Constants
Description & Symbol
Mass of the Proton
Mass of the Neutron
Casio fx-115es Plus
mp
mn
01
02
Unit
-27
kg
-27
kg
1.672621777 10
1.674927351 10
-31
Mass of the Electron
me
03
9.10938291 10
Mass of the Muon
m
04
1.883531475 10-31
kg
05
-11
m
Bohr radius
a0
Planck's constant
h
06
Nuclear magneton
N
Bohr magneton
B
Dirac's constant

Fine-structure
constant
1/
Classical electron radius
re
Compton wavelength
07
5.291772109 10
-34
J/Hz
-27
J/T
-24
J/T
6.62606957 10
5.05078353 10
08
9.27400968 10
09
1.054571726 10-34
10
kg
J-s/rad
-3
7.29735257 10
2hc0 / e2
11
2.817940327 10-15
M
c
12
2.426310239 10
-12
M
Gyromagnetic ratio
of the proton
p
13
267522200.5
Compton wl for proton
c,p
Compton wl for neutron
c,n
15
1.319590907 10
Rydberg's constant
R
16
10973731.57
Hartree energy
p / 2
14
2 p / h
MHz/T
-15
M
-15
M
1.321409856 10
2hc R =  me c
2
Eh
rad/s-T
1/m
2
J
-27
Atomic mass unit
u
17
1.660538921 10
Kg
Proton magnetic moment
p
18
1.410606743 10-26
J/T
Electron magn. moment
e
Neutron magn. moment
n
20
Muon magnetic moment

Faraday's constant
F
Charge of a proton
Avogadro number
Boltzmann's constant
Molar volume, 0°C, 1 bar
Molar volume, 0°C, 1 atm
e
NA
k
Vm
-24
J/T
-9.6623647 10
-27
J/T
21
-4.49044807 10-26
J/T
22
96485.3365
C/mole
19
23
24
-9.2847643 10
C/electron
23
atom/mole
1.602176565 10
6.02214129 10
-23
25
1.3806488 10
26
0.022710953
R
27
8.3144621
Einstein's constant (c)
c0
28
299792458
J/mole-K
m3/mole
273.15 R / 101325
Uversal gas constant
st
-19
J/mole-K
m/s
1 radiation constant
c1
29
3.74177153 10
W-m2
2nd radiation constant
c2
30
1.438777 10-2
m-K
Stefan's constant

31
5.670373 10
-8
W/m2-K4
Electric constant
0
32
8.854187817 10-12
F/m
Coulomb's constant
Magnetic constant
Ampere's constant
-16
1 / 40
0
33
m/F
-6
1.256637061 10
0 / 4
Quantum of flux
0
34
Normal gravity
g
35
H/m
H/m
-15
2.067833758 10
9.80665
Wb
N/kg
Conductance quantum
G0
36
7.748091735 10-5
S
Z of vacuum = 0 c
Z0
37
376.7303135

Ice point = 0°C
t
38
273.15
K
Newton's constant
G
39
Normal Pressure
atm
40
-11
6.67384 10
101325
N-m2/kg2
Pa