Microsoft Excel provides numerous mathematical functions that save time and improve accuracy in data entry. Percentage markups are used in retail, government and business environments to calculate 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 ...

Block bad data, duplicates, and incorrect dates with these custom rules.

Five hidden Excel rules show helper columns, LET, and LAMBDA in action, cutting errors and making updates quick for any ...

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 ...

The double dash is crucial for complex array logic operations in your spreadsheet.

Take advantage of relative cell references to add the same values to two different rows in Excel. Relative cell references create relationships between cells so that values entered in one cell are ...

Many of them are backward- and forward-compatible, but check the system requirements before you download anything. Note that newer isn’t always better: Many of the ...