The Power of Compound Interest Learn how to harness the power of compound interest for your investments. Share | Have A Question About This Topic? Name Email Address Question Thank you! Oops! Related Contents No Cash, No Checks, No Problem Peer-to-peer payment apps are one of the newest ways to send money. What to Look for in Personal Finance Apps An increasing number have been developed to help individuals with their personal finances. Doubling Your Money This calculator demonstrates the power of compound interest.