### description:

Returns the interest rate per period of a loan or an investment. |

### syntax:

=RATE( nper, pmt, pv, [fv], [type], [guess] ) |

### required arguments:

nper |
The total number of payment periods. |

pmt |
The payment made each period. |

pv |
The present value, or a total value of all loan payments now. |

### optional arguments:

[fv] |
The future value. |

[type] |
0 = end of period. 1 = beginning of a period. The default is 0. |

[guess] |
Your guess on the rate. Defaults to 10%. |