Returns an equivalent interest rate for the growth of an investment.
| Name | Type | Description |
| arg1 | number | Is the number of periods for the investment. |
| arg2 | number | Is the present value of the investment. |
| arg3 | number | Is the future value of the investment. |
builder.CreateFile("xlsx");
var oWorksheet = Api.GetActiveSheet();
var oFunction = Api.GetWorksheetFunction();
oWorksheet.GetRange("A1").SetValue(oFunction.RRI(12, 10000, 20000));
builder.SaveFile("xlsx", "RRI.xlsx");
builder.CloseFile();