Learn how to use Microsoft Excel step by step in this beginner-friendly tutorial. If you're new to Excel or want to understand the basics, this video shows you how to get started using Excel right ...

You can add multiple rows in Excel by using the SUM formula. The structure of the formula will be =SUM (cell range of first row, cell range of second row, cell range of third row, …).

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 ...

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. Click on the "Insert Function" button and type "sumsq" into ...

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

You can use SUMIF in Google Sheets to add numbers together that are associated with a date range, specific text, or meet a numeric criterion.

I keep running into situations in Excel where I want to calculate a conditional sum, but my criterion is something along the lines of "Include cell B1 if cell A1 is a number, likewise B2 and A2 ...