Coulomb's Law; Gas Equalibrium - Sharp EL-512 Instruction Manual

© Pressing the above keys a f t e r s . E . H . t a . m . O ' S B B A- C ^ lo m b 's Law
r f l or when the calculation result
0
is displayed, causes the memory contents to you had stored e0 in K4 you would calculate Coulomb's Law as follows:
be called.
F =
q. q2
Example
You may wish to store any of the following commonly used constants in K4 to K 7.
K4 Dielectric Constant o f Vacuum e0 = 8.85419 x 1CT1 2
K s Gas Constant R = 8.2054 x 10
K6 Light Velocity of Vacuum C = 2.99792 x 108
K , Elementary Electric Charge e = 1.60219 x 10 1 9
For example: 8.85419 @ 12 B g @ S I
8.2054 § S 2 S [a3 I
s to
I l~5l
2.99792 I
exp
I 8 M f 6 ]
1.60219 dEE 19 S § 3 E
Each storage memory operates as a m ultiplier and storage memories can be automatical]
multiplied against each other.
d! - 1c, q2 = 3 c, r = 4m
4rre0 r 2
1 I S 3 GE) 4 (x3 [ J ] CO 4 [7C] [Kn] [ 4 ] [ 7 ] [= ]
Answer: 1685165545
Press S : 1.6851655 09
Gas E q u ilib riu m
If you had stored the gas constant (R) in K s, you would calculate gas pressure as
follows:
PV = nRT T * 3 0 0 °K, n = 0.5m ol, V = 10C
•5 [X ] 300 (Kn| [ 5 ] [ B 10 [ = ] Answer: P = 1.23081
38
3 9