---
title: BNNSArithmeticAtan
framework: accelerate
role: symbol
role_heading: Global Variable
path: accelerate/bnnsarithmeticatan
---

# BNNSArithmeticAtan

An operation that calculates the element-wise inverse tangent of its input.

## Declaration

```swift
var BNNSArithmeticAtan: BNNSArithmeticFunction { get }
```

## See Also

### Trigonometric Functions

- [BNNSArithmeticAcos](accelerate/bnnsarithmeticacos.md)
- [BNNSArithmeticAcosh](accelerate/bnnsarithmeticacosh.md)
- [BNNSArithmeticAsin](accelerate/bnnsarithmeticasin.md)
- [BNNSArithmeticAsinh](accelerate/bnnsarithmeticasinh.md)
- [BNNSArithmeticAtanh](accelerate/bnnsarithmeticatanh.md)
- [BNNSArithmeticCos](accelerate/bnnsarithmeticcos.md)
- [BNNSArithmeticCosh](accelerate/bnnsarithmeticcosh.md)
- [BNNSArithmeticSin](accelerate/bnnsarithmeticsin.md)
- [BNNSArithmeticSinh](accelerate/bnnsarithmeticsinh.md)
- [BNNSArithmeticTan](accelerate/bnnsarithmetictan.md)
- [BNNSArithmeticTanh](accelerate/bnnsarithmetictanh.md)