LN function

Category: Math and trigonometry
Introduced: Excel 2003

Summary

Returns the natural logarithm of a number

Syntax

LN(number) The LN function syntax has the following arguments:
• Number Required. The positive real number for which you want the natural logarithm.

Example

=LN(86)
=LN(2.7182818)
=LN(EXP(3))

Microsoft Support Page

https://support.microsoft.com/en-us/office/ln-function-81fe1ed7-dac9-4acd-ba1d-07a142c6118f

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