NAME

     asinh - inverse hyperbolic sine function


SYNOPSIS

     #include <math.h>

     double asinh(double x);


DESCRIPTION

     The asinh() function calculates the inverse hyperbolic  sine
     of x; that is the value whose hyperbolic sine is x.


CONFORMING TO

     SVID 3, POSIX, BSD 4.3, ISO 9899


SEE ALSO

     acosh(3), atanh(3), cosh(3),