GAMMALN function - The function returns the natural logarithm of the gamma function, Γ (x) in Excel
gammaln: the function returns the natural logarithm of the gamma function, Γ (x). syntax: gammaln (x)GAMMALN.PRECISE function - The function returns the natural logarithm of the gamma function, Γ (x) in Excel
gammaln.precise function: the function returns the natural logarithm of the gamma function, Γ (x). the function is not different from the gammaln function, but the function only