on.jsp?name=BetaRegularized" target="_top">Mathworld's
          online function evaluator</a> with this implementation: they provide
          a basic "sanity check" for the implementation, with one spot-test
          in each implementation-domain (see implementation notes below).
        </p>
<p>
          Accuracy tests use data generated at very high precision (with <a href="http://shoup.net/ntl/doc/RR.txt" target="_top">NTL
          RR class</a> set at 1000-bit precision), using the "textbook"
      