Returns the number of periods for an investment based on periodic, constant payments and a constant interest rate.
| Name | Type | Description |
| arg1 | number | Is the interest rate per period. For example, use 6%/4 for quarterly payments at 6% APR. |
| arg2 | number | Is the payment made each period; it cannot change over the life of the investment. |
| arg3 | number | Is the present value, or the lump-sum amount that a series of future payments is worth now. |
| arg4 | number | Is the future value, or a cash balance you want to attain after the last payment is made. If omitted, zero is used. |
| arg5 | number | Is a logical value: payment at the beginning of the period = 1; payment at the end of the period = 0 or omitted. |
builder.CreateFile("xlsx");
var oWorksheet = Api.GetActiveSheet();
var oFunction = Api.GetWorksheetFunction();
oWorksheet.GetRange("A1").SetValue(oFunction.NPER(0.1/12, -500, 10000, 0));
builder.SaveFile("xlsx", "NPER.xlsx");
builder.CloseFile();