Definition:General Logarithm/Common

Definition
Logarithms base $10$ are often referred to as common logarithms.

Also known as
Common logarithms are sometimes referred to as Briggsian logarithms, for.

In elementary textbooks and on most pocket calculators, $\log$ is assumed to mean $\log_{10}$.

This ambiguous notation is not recommended, particularly since $\log$ often means base $e$ in more advanced textbooks.

Also see

 * Definition:Natural Logarithm
 * Definition:Binary Logarithm