HP 35s, User Manual

Page: 83 / 382

Real–Number Functions
4-9
To insert a constant:
1. Position your cursor where you want the constant inserted.
2. Press
 
to display the physics constants menu.
3. Press
ÕÖ×Ø
(or, you can press
 
to access the next
page, one page at a time) to scroll through the menu until the constant you
want is underlined, then press

to insert the constant.
Note that constants should be referred to by their names rather than their values,
when used in expressions, equations, and programs.
 Muon magnetic moment
–4.49044813
×
10
–26
J T
–1

Classical electron radius
2.817940285
×
10
–15
m


Characteristic impendence of
vacuum
376.730313461
Ω
λ

Compton wavelength
2.426310215
×
10
–12
m
λ

Neutron Compton wavelength
1.319590898
×
10
–15
m
λ

Proton Compton wavelength
1.321409847
×
10
–15
m
α
Fine structure constant
7.297352533
×
10
–3
σ
Stefan–Boltzmann constant
5.6704
×
10
–8
W m
–2
K
–4

Celsius temperature 273.15
a 
Standard atmosphere 101325 Pa
γ
 Proton gyromagnetic ratio
267522212 s
–1
T
–1
 First radiation constant
374177107
×
10
–16
W m
2

Second radiation constant 0.014387752 m K


Conductance quantum
7.748091696
×
10
–5
S

The base number of natural
logarithm(natural constant) 2.71828182846
Reference: Peter J.Mohr and Barry N.Taylor, CODATA Recommended Values of
the Fundamental Physical Constants: 1998, Journal of Physical and Chemical
Reference Data,Vol.28, No.6,1999 and Reviews of Modern Physics,Vol.72,
No.2, 2000.
Items Description Value