👉 Learn all about the properties of logarithms. The logarithm of a number say a to the base of another number say b is a number say n which when raised as a power of b gives a. (i.e. log [base b] (a) ...

See also exponential function and decibel. A logarithm is an exponent used in mathematical calculations to depict the perceived levels of variable quantities such as visible light energy, ...