ted for one reason or another).
    </p>
<p>
      There are also two sets of sanity tests: spot values are computed using <a href="http://www.wolfram.com/products/mathematica/index.html" target="_top">Wolfram Mathematica</a>
      and <a href="http://www.r-project.org/" target="_top">The R Project for Statistical Computing</a>.
    </p>
<h5>
<a name="math_toolkit.owens_t.h4"></a>
      <span class="phrase"><a name="math_toolkit.owens_t.implementation"></a></span><a class="link" href="owens_t.html#math_tool