If you’re still dragging columns around, you’re doing extra work.

What if you could write Excel formulas that practically think for themselves—automatically adjusting to changes in your data without endless tweaking? With the introduction of the dot operator and the ...

Excel's data validation feature is more versatile than you might think. Learn how to use literal values, input values, list values, and even formulas to restrict input date values using data ...

Users will appreciate a chart that updates right before their eyes. In Microsoft Excel 2007 and Excel 2010, it's as easy as creating a table. In earlier versions, you'll need the formula method.

Econometrics is important, but a great deal of the work of economists is simply looking at data, graphing data, charting data, calculating ratios and percent changes, and performing other data ...