Mathematical models are a way to attempt to predict the probable outcome of a complex situation. From climate, stock market and physics models, you can use mathematical formulas to determine a range ...

Have you ever stared at a beautifully organized table in Excel—rows and columns perfectly aligned—only to realize it’s a nightmare for analysis? Cross-tab layouts, while visually appealing, can feel ...

Not everyone is an Excel spreadsheet expert and you may not always know how to write the formulas you need for a given data set. If you're having trouble figuring out the right formula for your data ...

Q. I am trying to create a formula in our accounting system, but I keep getting errors. What can I do to get the formula to work? A. All Excel users know how powerful formulas are, but sometimes it ...

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 ...

Data validation in Microsoft Excel is a great way to limit what can be entered into a cell. However, creating rules using a formula allows you to enforce even more precise parameters—and there are ...

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 ...