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. The History of Currency Currency has been around for a long time. Here’s a quick history lesson. Doubling Your Money This calculator demonstrates the power of compound interest.