You can calculate Ratio in Excel by using the GCD function and the Substitute function. This article is a step-by-step guide to help you.

Percentages aren't always easy to calculate, but one of the best tools in Excel's toolbox is calculating percentages for you. Here's how to do it.

Microsoft Excel will rank whatever you want automatically. Susan Harkins will show you how.

One of the many features of Excel is being nosy. That's right, you can quickly calculate a persons age as long as you have their birth date.

We show you how to calculate compound interest in Excel at different rate of interests, like semi-annually, quarterly, monthly, etc.

The article How to Calculate the Regression of 2 Stocks Using Excel originally appeared on Fool.com. Try any of our Foolish newsletter services free for 30 days .

Adding a condition to a simple revenue sheet might spell trouble in Microsoft Excel, but don't worry--a simple conditional function can handle the request.