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In this lesson, we will be showing the SUM function, which adds up the numbers in a range of cells.

The Sum function consist of one argument, the range of cells containing the numbers we want to sum up.
We’ll write the formula, and select the cells.

We see that the sum of the numbers in the range is 121.

Note that the sum function does not include any cells that contain letters.

In this lesson, we have gone through the Sum function, which sums up the number in a range.