# Rate Command

From GeoGebra Manual

- Rate( <Number of Periods>, <Payment>, <Present Value>, <Future Value (optional)>, <Type (optional)>, <Guess (optional)> )
- Returns the interest rate per period of an annuity.

**<Number of Periods>**Total number of payments for the loan.**<Payment>**The amount paid in each period.**<Present Value>**Total amount that a series of future payments is worth now.**<Future Value (optional)>**A cash balance you want to attain after the last payment. If you do not enter a future value, it is assumed to be 0.**<Type (optional)>**Indicates when payments are due. If you do not enter a value or you enter 0 the payment is due at the end of the period. If you enter 1 it is due at the beginning of the period.**<Guess (optional)>**Your guess for what the rate will be.

**Example:**`Rate(5*12, -300, 10000)`

yields a monthly rate of 0.02 (2%).**Note:**If you make monthly payments on a five-year loan use 5*12 for`<Number of Periods>`

.

**Note:**For all arguments, cash paid out is represented by negative numbers and cash received by positive numbers..

**Note:**See also Payment, Periods, Present Value and Future Value commands.