Logarithmos Importantes
| Log | Valor |
| lg 1 | 0 |
| lg 10 | 1 |
| lg 100 | 2 |
| lg 1000 | 3 |
| lg 0.1 | -1 |
| lg 0.01 | -2 |
| lg 0.001 | -3 |
| ln a | 2.3026 x lg a |
| ln 10 | 2.3026 |
| lg a | 0,4343 x ln a |
| lg e | 0.03443 |
Valores de ?
-
?
3.141592 2? 6.283185 3? 9.424779 4? 12.566379 5? 15.707963 6? 18.849556 7? 21.991486 8? 25.132741 9? 28.274334 10? 31.415926 1/? 0.318310 1/2? 0.159155 ?/2 1.570796 ?/3 1.047197 ?/4 0.785398 ?/5 0.628318 4?/3 4.188790 4/? 1.273239 3/? 0.954929 ?2 9.869604 1.464592 lg ? 0.497715 lg ? 0.798180
