Documentation/How Tos/Calc: GAMMALN function

GAMMALN

Returns the natural logarithm of the gamma function.

Syntax:

GAMMALN(x)

returns the natural logarithm of Γ(x), the gamma function.

x must be greater than 0.

Example:

GAMMALN(4)

returns approximately 1.79.

See also:

GAMMADIST, GAMMAINV

Mathematical functions

Statistical functions

Issues:

• The forthcoming international standard ODFF categorises this as a mathematical function, and includes a GAMMA function which Calc does not currently implement.