17
TI36XSUS.DOC MURFE pruning--US version Pat Hatcher
Revised: 06/17/99 4:37 PM Printed: 06/17/99 4:37 PM
Page 17 of 29
Physical Constants
cspeed of light
299,792,458 meters per second
ggravitational
acceleration
9.80665 meters per second
2
m
e
electron mass
9.1093897
Q
10
-
31
kilograms
eelectron charge
1.60217733
Q
10
-
19
coulombs
hPlanck’s constant
6.6260755
Q
10
-
34
Joule
seconds
N
A
Avogadro’s number
6.0221367
Q
10
23
molecules per
mole
Rideal gas constant
8.31451 Joules per mole °Kelvin
Guniversal
gravitation
6.67259
Q
10
-
11
Newton
meters
2
per kilogram
2
Press
"
U
and then the appropriate constant
key.

Calculate 3 times the speed of light:

3
8
"
U
ã
C
ä
O
899377374.