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 ...

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

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.

Bonus tip: With basic formulas, the AutoSum button is the top choice. It’s faster to click AutoSum>SUM (notice that Excel highlights the range for you) and press Enter.

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