e</a>.
    </p>
<p>
      The various kind of errors are described in more detail below.
    </p>
<h4>
<a name="math_toolkit.error_handling.h3"></a>
      <span class="phrase"><a name="math_toolkit.error_handling.domain_error"></a></span><a class="link" href="error_handling.html#math_toolkit.error_handling.domain_error">Domain
      Errors</a>
    </h4>
<p>
      When a special function is passed an argument that is outside the range of
      values for which that function is defined, then the function retu