SUM is the spreadsheet equivalent of an open invite: it welcomes everything into the total, whether it belongs there or not.

In total, SUBTOTAL covers 11 different functions—so while it won’t replace every Excel formula, these 11 are really all you need for most summary tables. SUBTOTAL works in Google Sheets, too.

You can sum cells across multiple sheets in Excel. This article presents steps for Adding single-cell values or Adding values in the range of cells.

Excel has over 475 formulas in its Functions Library, but we've selected the most popular, from date and time functions to mathematics and simple data manipulation.

Nimble but powerful, Excel often manipulates data faster and more effectively than less agile applications. But to perform certain tasks optimally, a CPA sometimes may have to bypass what apparently ...

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 ...

How to Do the Sum of an Indefinite Series in Excel. The Microsoft Excel program includes a variety of mathematical formulas that you can apply to any cell in a spreadsheet. If your business uses ...

The purpose of Excel SUMSQ function is to return the sum of the square of the arguments. We explain the syntax, formula & how to use it.