# Calculate

> Calculate tangents.

## Definition

* **Type:** Field
* **Namespace:** [UnityEditor](/engine/6000.0/script-reference/unityeditor.md)
* **Assembly:** UnityEditor

> **Warning:**
>
> **Deprecated.** Use ModelImporterNormals.Calculate instead

```csharp
Calculate = 1
```

### Remarks

It is recommended to use Import mode as long as you can - use Calculate only if you don't have normals/tangents in your file.

Additional Resources: [ModelImporter.normalImportMode](/engine/6000.0/script-reference/unityeditor/modelimporter/normalimportmode.md), [ModelImporter.tangentImportMode](/engine/6000.0/script-reference/unityeditor/modelimporter/tangentimportmode.md).