Syntax: @LNGAMMA(X)
X = a numeric value greater than or equal to 0
@LNGAMMA returns the log base e of the gamma function evaluated at X. The function is given by:
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