# SUM

This is the most commonly formula used and also the simplest to use. We will see in this page, different methods to achieve a SUM function in Excel.

## Presentation

=SUM

Then you open a parenthesis. The act of opening a parenthesis will allow you to specify the data to be calculated by the formula.

Double-click directly in the following worksheet in the cell N2 to display the formula and try to finish this exercise.

In the example above, position yourself to cell N2 and begin to write the word form ; then you select cells B2: M2, and finally you close the parenthesis. Automatically, Excel calcul the sum for the cells B2 to M2

= SUM(B2:M2)

Fill each row 3, 4, 5, 6 with the same function SUM to obtain that Excel calcule result on each one.

## Using the icon bar

You can also make a sum of a cells with the Σ icon in the Ribbon (tab Home).

Go to the cell in N3 and click on the icon .

Magic! Excel automatically selects the range of cell B3:M3.

It is also possible to reverse the method by first selecting the cells B3:M3 and then you click on the icon Σ. The result will appear in N4.

## Shortcut

 + Insert the function SUM in your active cell

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