E-25
1
7
(CONST)
ddd
4
(
ε
0
)
1
7
(CONST)
dd
1
(
ƫ
0
)
)
E
A
Table of Scientifi c Constants
The numbers in the “No.” column show the scientifi c constant menu page number on the left
and the number key you need to press to select the constant when the proper menu page is
displayed.
No.
Scientifi c Constant
Symbol
Value
Unit
1-1
Proton mass
m
p
1.67262171×10
–27
kg
1-2
Neutron mass
m
n
1.67492728×10
–27
kg
1-3
Electron mass
m
e
9.1093826×10
–31
kg
1-4
Muon mass
m
ƫ
1.8835314×10
–28
kg
2-1
Bohr radius
a
0
0.5291772108×10
–10
m
2-2
Planck constant
h
6.6260693×10
–34
J s
2-3
Nuclear magneton
µ
N
5.05078343×10
–27
J T
–1
2-4
Bohr magneton
µ
B
927.400949×10
–26
J T
–1
3-1
Planck constant, rationalized
1.05457168×10
–34
J s
3-2
Fine-structure constant
α
7.297352568×10
–3
−
3-3
Classical electron radius
r
e
2.817940325×10
–15
m
3-4
Compton wavelength
λ
c
2.426310238×10
–12
m
4-1
Proton gyromagnetic ratio
γ
p
2.67522205×10
8
s
–1
T
–1
4-2
Proton Compton wavelength
λ
cp
1.3214098555×10
–15
m
4-3
Neutron Compton wavelength
λ
cn
1.3195909067×10
–15
m
4-4
Rydberg constant
R
∞
10973731.568525
m
–1
5-1
Atomic mass constant
u
1.66053886×10
–27
kg
5-2
Proton magnetic moment
µ
p
1.41060671×10
–26
J T
–1
5-3
Electron magnetic moment
µ
e
–928.476412×10
–26
J T
–1
5-4
Neutron magnetic moment
µ
n
–0.96623645×10
–26
J T
–1
6-1
Muon magnetic moment
µ
ƫ
–4.49044799×10
–26
J T
–1
6-2
Faraday constant
F
96485.3383
C mol
–1
6-3
Elementary charge
e
1.60217653×10
–19
C
1÷
'
(
ε
0
I
0
1÷
'
(
ε
0
I
0
1÷
'
(
ε
0
μ
0
)
I
0
1÷
'
(
ε
0
μ
0
)
I
0
1÷
'
(
ε
0
μ
0
)
299792458
1÷
'
(
ε
0
μ
0
)
299792458