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.

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.

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

How to Sum a Column of Zeros in Excel. You can use the Sum function in Microsoft Office Excel to sum columns of data, whether your data is in an Excel table or is simply a range in a column of ...

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

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.

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.

Journal-entry testing using Excel In this example walk-through, learn how to use Microsoft’s spreadsheet application to perform several tasks, including sampling.

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.