A common source of errors in Excel is "the gap"—a situation where you add new data to the bottom of a list, but your formulas ...

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 ...

Q. I have an Excel spreadsheet that contains errors because some of the numbers that are part of the calculations are blank or zero. Is there a way to have Excel automatically return something instead ...

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 ...

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 ...