If you've used data validation in Excel before, you probably selected the relevant cells, clicked "Data Validation" in the ...

Formulas are powerful tools for performing calculations and analyzing data in Excel. In this beginner’s guide, you’ll learn how to use formulas and explore some popular built-in functions. One of the ...

Excel has over 475 formulas in its Functions Library, from simple mathematics to very complex statistical, logical, and engineering tasks such as IF statements (one of our perennial favorite stories); ...

Excel's main function is to interlink cells, through the use of formulas, so that the formula cell changes when data is inputted into linked cells. The best way to store information in spreadsheets is ...

Numbers by themselves seldom convey the big picture. Excel Charts makes it easy to illustrate trends in your business, from past expenses and profit to sales forecasts based on previous sales. T*o* ...

Is Apple’s iWork a viable alternative to Microsoft Office? To find out, we asked Rob Griffiths—our go-to expert on spreadsheets—to use Excel 2008 and Numbers ‘08 to create the same project, ...

You may want to multiply cells or numbers in Microsoft Excel to analyze data. Here's what you need to know to do it.