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? Name Email Address Message Thank you! Oops! Related Content The Latte Lie and Other Myths Do you know these three personal finance sayings? Data Thieves from Outer Space Learn about the dangers of internet fraud with this highly educational and fun “pulp” comic. Your Cash Flow Statement A presentation about managing money: using it, saving it, and even getting credit.