You might even try using an Excel formula. Start by opening a document and labeling the top cell in columns A B and C Year Value and Interest Earned respectively. Using the compound interest formula calculate principal plus interest or principal or rate or time.
Using a Compound Interest Calculator.
Enter your principal in cell B2. Suppose you give 100 to a bank which pays you 10 compound interest at the end of every year. The more often the interest is compounded the more money the investor will make for a given interest rate. Also learn more about investments or explore hundreds of other calculators addressing finance math fitness health and many more.