When you think of double quotation marks, you probably remember your English lessons in school. However, in Microsoft Excel, ...

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

You can sum a series of numbers in Microsoft Excel manually by typing in a simple formula, or automatically with a tool.

SERIESSUM function returns the sum of a power series based on the formula. Learn how to use the SERIESSUM function in Excel.

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.

To calculate the sum of squares using Microsoft Excel, you need to input a specific formula into the formula bar of the cell you're working with.

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.

Use INDEX and MATCH for simple database queries in Excel The bigger your spreadsheet, the more you need these, which you can combine with SUM, AVERAGE, and MAX to refine your searches.