home *** CD-ROM | disk | FTP | other *** search
/ Simtel MSDOS - Coast to Coast / simteldosarchivecoasttocoast2.iso / calculat / sm30a.zip / ASECH.KEY < prev    next >
Text File  |  1993-11-07  |  202b  |  5 lines
  1. * asech                                               external
  2. asech(x) is the inverse hyperbolic secant function of x. The inverse 
  3. function of sech(x). asech(x)=acosh(1/x).
  4. See also: asech, sech.
  5.