Miscellaneous Constants
| Loge X | 2.30259 log10 X |
| Electronic charge | 4.8 x 10-10 e.s.u. = 1.60 x 10-20 e.m.u. |
| Mass units | 1.07 x 10-3 x Mev = 6.71 x 10-2 ergs |
| Speed of light | 3 x 108 meters/sec |
| Speed of sound (in air at sea level) | 1100 ft/sec |
| π | 3.14159 |
| e | 2.71828 |
