Learn how to calculate your effective tax rate using Microsoft Excel, what income tax rates to apply to your earned income, and what tax percentage applies to each span.

If your business makes investments in equipment and employee benefit contributions, you may need to track the average annual rate of return over a span of time for financial reporting obligations.

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 ...

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

How to Excel at calculating the Internal Rate of Return A blonde wanting to earn some money decided to hire herself out as a handyman-type and started canvassing a wealthy neighbourhood.

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 .

Microsoft Excel offers four inherent functions for calculating the monthly payments, present value, number of payments and the interest rate of an annuity.