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 | Related Content The Cost of Procrastination Procrastination can be costly. When you get a late start, it may be difficult to make up for lost time. Countering Counterfeit Currency Combating counterfeiting remains core to preserving the integrity of the nation’s money. Your Cash Flow Statement A presentation about managing money: using it, saving it, and even getting credit.