# PDURATION Function

The PDURATION function is one of the financial functions. It is used to calculate the number of periods required by an investment to reach a specified value.

The PDURATION function syntax is:

PDURATION(rate, pv, fv)

where

rate is the interest rate per period.

pv is the present value of the investment.

fv is the desired future value of the investment.

Note: all arguments must be represented by positive numbers.

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

To apply the PDURATION 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 PDURATION function,
5. enter the required arguments separating them by commas,
6. press the Enter button.

The result will be displayed in the selected cell.