Daniel Jassy, CFA, is an Investopedia Academy instructor and the founder of SPYderCRusher Research. He contributes to Excel and Algorithmic Trading. Compound interest is interest that's calculated on ...

Compound interest can help turbocharge your savings and investments, or it can quickly lead to an unruly balance, keeping you stuck in a cycle of debt. Its magic can help you earn more — or owe more.

Steven Nickolas is a writer and has 10+ years of experience working as a consultant to retail and institutional investors. Ebony Howard is a certified public accountant and a QuickBooks ProAdvisor tax ...

When it comes to calculating interest, there are two basic choices -- simple and compound. Simple interest simply means a set percentage of the principal every year, and is rarely used in practice. On ...

There are two different ways of calculating interest -- simple and compound. Here's how to calculate each, as well as the key differences and similarities between the two. Simple interest is well, ...