# LOG2E_DBL

> The base 2 logarithm of e. Approximately 1.44. This is a f64/double precision constant.

## Definition

* **Type:** Field
* **Namespace:** [Unity.Mathematics](/engine/6000.6/script-reference/unity/mathematics.md)
* **Assembly:** UnityEngine.MathematicsModule

```csharp
public const double LOG2E_DBL = 1.4426950408889634
```