LOG

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Returns the logarithm of a number to the base you specify.

Syntax

LOG ( number ,base)

Number is the positive real number for which you want the logarithm.

Base is the base of the logarithm. If base is omitted, it is assumed to be 10.

Example

Formula

Description (Result)

=LOG(10)

Logarithm of 10 (1)

=LOG(8, 2)

Logarithm of 8 with base 2 (3)

=LOG(86, 2.7182818)

Logarithm of 86 with base e (4.454347)

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