></tr>
</table></div>
<h5>
<a name="math_toolkit.extern_c.tr1.h0"></a>
        <span class="phrase"><a name="math_toolkit.extern_c.tr1.usage_recomendations"></a></span><a class="link" href="tr1.html#math_toolkit.extern_c.tr1.usage_recomendations">Usage
        Recomendations</a>
      </h5>
<p>
        This library now presents the user with a choice:
      </p>
<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
<li class="listitem">
            To include the header only ve