LNGAMMA(X)

Description
This function returns the log base e of the gamma function evaluated at X.

Parameters
X
A numeric value greater than or equal to 0

Examples
LNGAMMA(1.20) = -0.08537

LNGAMMA(10) = 12.801827

LNGAMMA(D30) = Error - LNGAMMA, domain is x 0
where D30 = 0

LNGAMMA(K19) = 9.9677617
where K19 = 8.7