### Definition of GAMMALN

Returns the the logarithm of a specified Gamma function, base e (Euler's number).

### Sample Usage

`GAMMALN(4)`

`GAMMALN(A2)`

### Syntax

`GAMMALN(value)`

### Notes

### See Also

`SQRTPI`

: Returns the positive square root of the product of Pi and the given positive number.

`SQRT`

: Returns the positive square root of a positive number.

`POWER`

: Returns a number raised to a power.

`LOG10`

: Returns the the logarithm of a number, base 10.

`LOG`

: Returns the the logarithm of a number given a base.

`LN`

: Returns the the logarithm of a number, base e (Euler's number).

`EXP`

: Returns Euler's number, e (~2.718) raised to a power.

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