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, B3 ...

To sum a Column in a Microsoft Excel spreadsheet, you can use the AutoSum, the Status Bar, and even the Sum function to calculate values in one or more columns as explained below. One of the quickest ...

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. Here's everything you need to know to use the SUMIF ...