For decades, Excel worked on a simple principle: you enter a formula into one cell, and it returns a single result into that ...

Over the last few months, I’ve written several articles about Excel’s newish dynamic array functions. In many cases, they can replace older, more complex expressions. The new functions do all that ...

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 is one of those tools that we all know and use, but let’s be honest—most of us barely scratch the surface of its true potential. Sure, you’ve probably mastered the basics like SUM or AVERAGE, ...

Excel processes the range (A1:A10) by converting it into an array in memory. This array is what Excel works with to calculate the sum. The distinction is subtle but important: while the range is the ...

Design is best, but when you're stuck with an existing data structure, it helps to know how to work around trouble. Susan Harkins explains. Excel sheets grow — sometimes by adding new functionality, ...

Excel has over 475 formulas in its Functions Library, from simple mathematics to very complex statistical, logical, and engineering tasks such as IF statements (one of our perennial favorite stories); ...

SUMIF, SUMIFS, AVERAGEIFS, and COUNTIFS are commonly used accounting functions in Microsoft Excel. These formulas are used to calculate cell values based on the criteria you have described or ...