# Language - (Expression) Operator

An operator (or expression operator) is a symbol that operates on values on its side (left and/or right). It's a kind of special function but where the argument are on both side of it.

Operators are how we perform actions on variables and values.

## 4 - Example

### 4.1 - Simple Form

a + b

### 4.2 - Assignment

var += a
// equivalent of
var = var + a

See Assignment