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 or Briggs's 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