GAMMALN
function GAMMALN(arg1: number = null): numberDescription
Returns the natural logarithm of the gamma function.
Parameters
- arg1
numberdefault: null The value for which the natural logarithm of the gamma function will be calculated, a positive number.
Returns
numberTry It
var oWorksheet = Api.GetActiveSheet();
var oFunction = Api.GetWorksheetFunction();
var ans = oFunction.GAMMALN(0.5);
oWorksheet.GetRange("B2").SetValue(ans);