Syntax

Log(numeric_expression, [ base ])

Input Parameters

numeric_expression

Is a valid nonzero or nonnegative numeric expression.

base

Optional. If provided, uses "base" as the logarithm base, otherwise the natural logarithmic base of "e" is used.

Return Value

Returns the base logarithm. Given a single argument, it takes the natural logarithm (base e). Given two arguments, it uses the second argument as the base.