<< Click to Display Table of Contents >> LN (natural logarithm)

Syntax:

LN(Number)

Description:

Returns the natural logarithm (base e) of Number.

Number must be > 0.

Example:

LN(0.7) returns -0.3567

LN(EXP(1.234)) returns 1.234

Annotation:

The inverse function is EXP

See also:

EXP, LOG, LOG10, POWER