# SUM Function

## Overview

The SUM function adds all the numbers in a range of values, separated by commas.

For example,

=SUM(4,2,1,-1)

would return 6.

### In the Equation Editor

You can also use the Equation Editor to help you build your equation:

Note that you can enter numbers, or you can use the Wizard on each line to select a node from your data source.

- You can use this to add the values of multiple nodes together, as well as subtract the values of some nodes.

## Syntax

=SUM(number1,number2,...)

- number - At least one is required. This is the value to sum.