# GAMMALN

## Content

This function returns the natural logarithm of the Gamma function, G(x).

## Syntax

`GAMMALN(value)`

## Arguments

[Required] The argument is any numeric value.

## Remarks

This function is calculated as the natural logarithm (LN) of the Gamma function.
The equation for this function is:
![](https://cdn.mescius.io/document-site-files/images/8d606653-16a0-474d-b9dc-e2b4d01c2446/images/Func-GAMMALN.png)
where x is the *value* argument.

## Examples

`GAMMALN(A4)`
`GAMMALN(R4C1)`
`GAMMALN(12)` gives the result 17.5023078459