# RRI Function

The RRI function is one of the financial functions. It is used to return an equivalent interest rate for the growth of an investment.

The RRI function syntax is:

RRI(nper, pv, fv)

where

nper is a number of periods for the investment.

pv is a present value of the investment.

fv is a future value of the investment.

The numeric values can be entered manually or included into the cell you make reference to.

To apply the RRI function,

1. select the cell where you wish to display the result,
2. click the Insert function icon situated at the top toolbar,
   or right-click within a selected cell and select the Insert Function option from the menu,
   or click the icon situated at the formula bar,
3. select the Financial function group from the list,
4. click the RRI function,
5. enter the required arguments separating them by commas,
6. press the Enter button.

The result will be displayed in the selected cell.