VMS Help RTL Routines, MTH$, MTH$HCOSH  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    The Hyperbolic Cosine (H-Floating Value) routine returns the
    hyperbolic cosine of the input value as an H-floating value.

    Format

      MTH$HCOSH  h-cosh ,floating-point-input-value

  Additional Information (explode) :

• Returns
• Arguments