Microsoft Excel 2010 provides a formula for calculating the average value from multiple worksheets in a workbook. Before you apply this formula, check that each worksheet is formatted the same way.

Unless someone's calculator needs an upgrade, one plus one usually adds up to two. With Microsoft Excel, you can put that math to work when you input two separate columns of data into a single ...

Windows may get all the attention, but when you want to get real work done, you turn to the applications that run on it. And if you use spreadsheets, that generally means Excel. Excel is, of course, ...