| log | ? | = | |
? |
A logarithm calculates what exponent is needed for a base to reach a given number. If bx = N, then logb(N) = x. For example, log₂(8) = 3 because 2³ = 8. The most common bases are: base 2 (binary logarithm), base e (natural logarithm), and base 10 (common logarithm).
Learn more: