Ln function

Syntax

Ln(i)

Description

Use the Ln function to determine the natural logarithm of a number. Natural logarithms are based on the constant e, which equals 2.71828182845904. The number i must be a positive real number. Ln is the inverse of the Exp function.

Returns

A Number equal to the natural logarithm of i.

Example

The following examples set &I to 2.302585 and &J to 1:

&I = Ln(10);
&J = Ln(2.7182818);