# isZero

> Whether the rational number is zero.

## Definition

* **Type:** Property
* **Namespace:** [UnityEditor.Media](/engine/6000.7/script-reference/unityeditor/media.md)
* **Assembly:** UnityEditor

```csharp
public bool isZero { get; }
```

### Remarks

A rational is considered zero when it is valid (see [MediaRational.isValid](/engine/6000.7/script-reference/unityeditor/media/mediarational/isvalid.md)) and its numerator is zero.