# Invertible

## Invertible

Term that refers to that which can be inverted, has an inverse, or whose components can be interchanged.

### Examples

• The number 2 is invertible, since it has an inverse, that is : $$\frac{1}{2}$$.
Therefore : $$2 × \frac{1}{2}$$ is equal to 1.
• The number 0 is not invertible.