LN

Name

Natural log

Description

Returns the natural log of the specified number . LN is the inverse of EXP.

Syntax

LN(value)

Remarks

Specify a positive real number for the value argument.

See also EXP, LOG, and LOG10.

Data Type

Accepts numeric data. Returns numeric data. For more information, see Data Type for Each Cell Type.

Example

LN(R1C2)
LN(B3)
LN(10)=2.3025850930
LN(EXP(1))=1