To use this calculator:

1. Enter Principal Amount: Input the initial investment amount in dollars.
2. Enter Interest Rate: Type in the annual interest rate as a percentage (e.g., 5 for 5%).
3. Enter Number of Years: Specify how many years the money will be invested for.
4. Calculate: Click the “Calculate” button to compute the future value of your investment.

The result will display the future value of your investment based on the inputs provided.