LN Function

Office 2013 and later

Last modified: March 09, 2015

Applies to: Office 2013 | Visio 2013

Returns the natural logarithm of a number. The number must be positive, or LN returns the error value #NUM.

LN(number)

Parameters

Name

Required/Optional

Data Type

Description

number

Required

Numeric

The number whose natural logarithm you want to find.

Return Value

Numeric

LN(42)

Returns 3.7377.

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