Returns the natural logarithm of the gamma function.
| Name | Type | Description |
| arg1 | number | The value for which the natural logarithm of the gamma function will be calculated, a positive number. |
builder.CreateFile("xlsx");
var oWorksheet = Api.GetActiveSheet();
var oFunction = Api.GetWorksheetFunction();
var ans = oFunction.GAMMALN_PRECISE(0.5);
oWorksheet.GetRange("B2").SetValue(ans);
builder.SaveFile("xlsx", "GAMMALN_PRECISE.xlsx");
builder.CloseFile();