# RRI

## Content

This function returns calculated interest rate for growth of investment.

## Syntax

`RRI(nper, pv, fv)`

## Arguments

This function has these arguments:

| Argument | Description |
| -------- | ----------- |
| *nper* | [Required] Number of periods for the investment |
| *pv* | [Required] Present value of the investment |
| *fv* | [Required] Future value of the investment |

All arguments of this function must be positive values.

## Remarks

If the passed arguments are invalid, this function returns an error value.

## Examples

`RRI(96,10000,11000)` gives the result 0.0009933