### Purpose

Perform simple math: Add, Subtract, Multiply, Divide

**First Source attribute**: first attribute selection**Operation**: select operation to perform; options are add, subtract, multiply or divide**Second Source attribute:**second attribute selection**Reset attribute value to zero before changing it**: this sets the first source attribute to 0 before performing the selected operation.**Write to:**attribute that houses the new value**Use fixed number instead:**select the checkbox and write a static number in the Fixed number section (see below)

Advanced Configuration:

**Precision level:**select precision level from the dropdown**Rounding Options:**Standard rounding, always round up or always round down**Convert to percentage value:**check the box to convert number to percentage

### Example

- Add behavior and fit scores to compute an overall score