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.

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.

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.

How to Calculate the Total Hours Formula in Excel. As a spreadsheet software program, Microsoft Excel has many useful features for a small business's productivity. Chief among these is the ability ...

Learn how to calculate all the particulars of a loan using Excel and how to set up a schedule of repayment for a mortgage or any other loan.

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

Excel can quickly calculate amortization. Microsoft Excel is a widely used spreadsheet program that can use formulas to compute and display values.

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.

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

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 .

With Excel and data from your broker, however, calculating the average return is fairly easy using the XIRR function. How to calculate average stock returns in Excel ...