## On this page

  

 

 # ArcTan

 Last update: 16.07.2025 

Return the arctangent of a value, in the range \]-PI/2, PI/2\[.

## Interface

NameKindTypeCommentxIrealInput  
Unit: N/AvOrealAngular coordinate  
Unit: radian**Parent topic:**[Math::Trigo](../../libraries/trigo/math_trigo.md)