# _ATANH

Revision as of 13:26, 5 September 2017 by imported>SMcNeill (-)

The _ATANH returns the arc hyperbolic tangent of *x!*, expressed in radians.

## Syntax

*return_value!*= _ATANH(*x!*)

## See also

- _D2G (degree to gradient, _D2R (degree to radian)
- _G2D (gradient to degree), _G2R (gradient to degree)
- _R2D (radian to degree), _R2G (radian to gradient)
- COS (cosine), SIN (sine), TAN (tangent)
- _ACOS (arc cosine), _ASIN (arc sine), ATN (arc tangent)
- _ACOSH (arc hyperbolic cosine), _ASINH (arc hyperbolic sine)
- _ATAN2 (Compute arc tangent with two parameters)
- _HYPOT (hypotenuse)
- Mathematical Operations
- Derived Mathematical Functions

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