Log (Reserved Word)
Returns the natural logarithm of a number.
Log(Num)
Where Num is a numeric expression to be used in the calculation.
Remarks
A logarithm is the exponent that indicates the power to which a number is raised to produce a given number. This reserved word uses a base e system derived from the Euler constant (≈ 2.718).
Log can only be calculated for positive numbers.
Examples
Log(4.5) returns a value of 1.5041.
Log(172) returns a value of 5.1475.