You can sum a series of numbers in Microsoft Excel manually by typing in a simple formula, or automatically with a tool.

The sum of the squares for the numbers you entered are calculated and the result is displayed in the cell.

The SUM formula can be applied to a certain number or cells or an indefinite series such as an entire column of data, which may grow or shrink at a later time.

=SUM () The first function anyone should know tells Excel to carry out basic arithmetic. Let’s say you wanted the numbers in cell A2 and cell B2 to be added together in cell C2. All you’d do ...

You can subtract in Excel by placing a minus sign in front of any numbers you want to deduct. You can add and subtract a bunch of numbers at once using the equal sign or SUM function.

Image used with permission by copyright holder How to subtract using the SUM function While Excel doesn't have a separate subtract function, you can still use the SUM function to subtract numbers.