Truncates a number to an integer by removing the decimal, or fractional, part of the number.
| Name | Type | Description |
| arg1 | number | Is the number you want to truncate. |
| arg2 | number | Is a number specifying the precision of the truncation, 0 (zero) if omitted. |
builder.CreateFile("xlsx");
var oWorksheet = Api.GetActiveSheet();
var oFunction = Api.GetWorksheetFunction();
oWorksheet.GetRange("A1").SetValue(oFunction.TRUNC(3.14159265, 5));
builder.SaveFile("xlsx", "TRUNC.xlsx");
builder.CloseFile();