LOG

Returns the logarithm of given number to a specified base.

Syntax

=LOG(Number, [Base])

Arguments

Name	Description
Number	The number for which the logarithm should be calculated.
Base (optional)	The base of the logarithm. Defaults to 10.

Return

The logarithm of given number.

Examples

Formula	Result	Comment
=LOG(10)	1	No base specified so 10 is used and hence it must be raised only one time.
=LOG(8, 2)	3	The base value must be raised three times.