Miscellaneous Constants

Loge X2.30259 log10 X
Electronic charge4.8 x 10-10 e.s.u. = 1.60 x 10-20 e.m.u.
Mass units1.07 x 10-3 x Mev = 6.71 x 10-2 ergs
Speed of light3 x 108 meters/sec
Speed of sound (in air at sea level)1100 ft/sec
π3.14159
e2.71828
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