description:
| Returns the number of periods for an investment based on periodic, constant payments and constant interest rate. |
syntax:
| =NPER( rate, pmt, pv, [fv], [type] ) |
required arguments:
| rate | The interest rate per period. |
| pmt | The payment made each period. |
| pv | The present value, or a total value of all payments. |
optional arguments:
| [fv] | The future value. |
| [type] | 0 = end of period. 1 = beginning of period. Default is 0. |
