ASINH(3)                  386BSD Programmer's Manual                  ASINH(3)

NAME
     asinh - inverse hyperbolic sine function

SYNOPSIS
     #include <math.h>

     double
     asinh(double x)

DESCRIPTION
     The asinh() function computes the inverse hyperbolic sine of the real
     argument x. For a discussion of error due to roundoff, see math(3).

RETURN VALUES
     The asinh() function returns the inverse hyperbolic sine of x.

SEE ALSO
     acosh(3),  atanh(3),  exp(3),  infnan(3) math(3),

HISTORY
     The asinh() function appeared in 4.3BSD.

4.3 Berkeley Distribution         May 6, 1991                                1