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.

You can't use a SUM() function to sum a filtered list, unless you intend to evaluate hidden and unhidden values. Here's how to sum only the values that meet your filter's criteria.

The formula is SUMIFS (sum_range, criteria_range1, criteria1 [criteria_range2, criteria2,..]. How to use the Excel SUMIF function In this table, we want to calculate the number of mangoes sold.

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 ...

Select the cell in your Microsoft Excel document that you would like to use for the sum of squares function and open the "Formulas" tab.

This month’s column shows how to use the remarkably versatile AGGREGATE function in Excel.

Google Sheets offers many of the same features as Microsoft Excel. The SUMIF function allows you to quickly sum rows that meet certain criteria.

Excel’s BYCOL() and BYROW() functions evaluate data across columns and rows, returning an array result set allowing you to bypass a lot of work.