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

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 your ...

The Microsoft Excel program includes a variety of mathematical formulas that you can apply to any cell in a spreadsheet. If your business uses an Excel file to track sales information, you can use the ...