/sys$common/syshlp/helplib.hlb RTL Routines, MTH$, MTH$HATANH  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    Given the hyperbolic tangent of an angle, the Hyperbolic Arc
    Tangent (H-Floating Value) routine returns the hyperbolic arc
    tangent (as an H-floating value) of that angle.

    Format

      MTH$HATANH  h-atanh ,hyperbolic-tangent

  Additional Information (explode) :

• Returns
• Arguments