Doubling Your Money This calculator demonstrates the power of compound interest. You are viewing this website at a small screen resolution which doesn't support calculators. Click here to view this calculator. Share | Have A Question About This Topic? Address Thank you! Oops! Related Contents Saving for College 101 Here’s a crash course on saving for college. How Does Your Credit Score Compare? Have you ever wondered how your credit score compares to the rest of the country? Take a look and see. Your Cash Flow Statement A presentation about managing money: using it, saving it, and even getting credit.