How to Calculate T-Value From Mean & Standard Deviation in Excel. Calculate t-values in your Microsoft Excel spreadsheet by combining built-in functions with custom formulas. T-values, also known ...

Excel can calculate a single value for one specific number of days or multiple values for a list of different days that you create.

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.

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.

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.

Learn how to calculate the Simple Interest in Excel either for a single entry or a range or entries, between two dates, using this forumula.

Learn how to calculate the net present value (NPV) of your investment projects using Excel's XNPV function.

Excel offers several easy ways to calculate expiry dates. This post explores different ways to automate expiry date calculations in Excel.

Discover how to calculate the modified Macaulay duration of a bond or other fixed-income security using Microsoft Excel.

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 ...