Mac: The "Sum" function in spreadsheets is great, but if you're not the type to do all your list-making in Excel, coder Brett Terpstra built an OS X System Service that allows you to total up any set ...

You can sum up entire columns or rows in Microsoft Excel using the AutoSum feature. The AutoSum tool automatically selects a column or row of numbers, but you can select any set of numbers by clicking ...

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 ...

To sum and subtract in Google Sheets, use the formula =SUM(x:y) or =MINUS(x,y) in the desired cells and input the relevant values. Press Enter to get the results. Adding up columns or rows of numbers ...

Google, after having swallowed up the web-based word processor Writely, is now poised to deliver an online spreadsheet application to complement it. Is this the next step towards Google ...