Copying formulas in Excel is a relatively simple operation - unless you need to copy down through dozens or even hundreds of cells. Here's a foolproof little trick that will knock out the task for ...

Excel has over 475 formulas in its Functions Library, but we've selected the most popular, from date and time functions to mathematics and simple data manipulation.

This article looks at how to use Excel’s auditing tools to audit formulas and ensure the accuracy of data.

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.

Learn how to calculate simple, weighted and exponential moving averages in Microsoft Excel using Data Analysis Tool Pack or Formula.