log() Function

Returns the logarithm of the number using the specified base, which is the power that base must be raised to, to equal the number.

Syntax

log( number, base )

number: (Decimal) A number, the logarithm of which will be returned.

base: (Decimal) The base to use in the logarithm calculation. 10 and e are common values for the base.

Returns

Decimal

Examples

You can experiment with this function in the test box below.

Test Input

log(8,2) returns 3

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