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 ...

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 ...

If you're starting to shop around for student loans, you may want a general picture of how much you're going to pay. If you're refinancing existing debt, you may want a tool to compare your options ...

Calculating Simple Interest is an excellent method to judge your savings in advance. However, calculating it for various interests and principal sums could be complex. This is where Excel comes to ...

Calculate the weighted average of interest rates in Microsoft Excel to compute the most accurate average interest rate among a group of lenders who received different rates. When you take a weighted ...