Formulas are powerful tools for performing calculations and analyzing data in Excel. In this beginner’s guide, you’ll learn ...

Daniel writes guides on how to use the internet, explainers on how modern technology works, and the occasional smartwatch or e-reader review. He especially likes deep diving into niche topics that ...

It's easy to add a set of numbers together — every spreadsheet user knows how to use the tried-and-true SUM function to find a total. But what if the sum you're trying to find depends on some sort of ...

Microsoft Excel's SUMIFS function calculates the sum of values in a range of cells based on multiple conditions. It avoids the need for complex filtering, and its conditions can be numbers, text, or ...

Have you ever thought of the humble SUM function as a secret weapon for advanced analytics? Most Excel users see it as a basic tool for adding numbers, but what if I told you it could do so much more?

Summing only the positive or negative values in the same range of values only sounds difficult. Fortunately, the SUMIF() function can handle both. Summing only the negative values in a range of values ...

When writing formulas in Excel, SUM and VLOOKUP are staples for beginners. But since Excel has over 400 functions, it's helpful to know more of the extremely useful ones, especially when looking to ...

Move beyond the basics of sums and averages. These tips open up all kinds of opportunities for working with spreadsheet data. Editor’s Note: This article was originally published in Sept. 2012 and the ...