This function returns the natural logarithm of the Gamma function, G(x).
GAMMALN(value)
The argument is any numeric value.
This function is calculated as the natural logarithm (LN) of the Gamma function.
The equation for this function is:
where x is the value argument.
Accepts numeric data for all arguments. Returns numeric data.
GAMMALN(A4)
GAMMALN(R4C1)
GAMMALN(12) gives the result 17.5023078459