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 ...

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); ...

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 ...

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?

In this table, we want to calculate the number of mangoes sold. We are going to click the cell where we want to place the result. Then type in the cell =SUMIF ( We are going to look for the Range. In ...

When working with spreadsheets in Microsoft Excel, you might find yourself needing to add up business data from cells across multiple spreadsheets. It is possible to make the Sum Excel formula ...