- rate - The interest rate per period.
- nper - The total number of payments for the loan.
- pv - The present value, or total value of all payments now.
- start_period - First payment in calculation.
- end_period - Last payment in calculation.
- type - When payments are due. 0 = end of period. 1 = beginning of period.
- Be consistent with inputs for rate. For example, for 5-year loan with 4.5% annual interest, enter the rate as 4.5%/12.
- The loan value (pv) must be entered as a positive value.