Old-school Excel functions like SUMPRODUCT, INDEX/MATCH, and IFERROR remain essential for stable, readable, and maintainable ...

There are two ways to calculate a conditional average in Excel, both involve some logic and some special functions. Excel’s SUMIF() and COUNTIF() are two of my favorite summarizing functions and we’ve ...

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 ...

Running totals are used to update totals within a series in Microsoft Excel. For instance, you might use a running total to track an account balance, enrolling students, or even inventory. Usually, a ...

An icon in the shape of a lightning bolt. Impact Link Excel is the best piece of software ever made. We've talked a lot about basic formulas and advanced tricks that will make you way better at the ...