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

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 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 ...

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

This article looks at how to use Excel’s auditing tools to audit formulas and ensure the accuracy of data.

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.