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	Spreadsheet Mathematical Functions Function Wizard Functions RENO Predefined Functions

GAMMALN

Description: Returns the natural logarithm of the gamma function, G(x).

Syntax: GAMMALN(x)

• x is the value for which you want to calculate GAMMALN.

Remarks:

• x must be a number.

• x must be greater than 0.

• The number e^GAMMALN(i), where i is an integer, returns the same result as (i - 1)!

• GAMMALN is calculated as follows:

where:

• When used in a RENO flowchart, x must evaluate to a numerical value. It can include:

Example:

• GAMMALN(4) = 1.791759