rsions of the functions and have an easier
            time linking, but a longer compile time.
          </li>
<li class="listitem">
            To include the TR1 headers and link against an external library.
          </li>
</ul></div>
<p>
        Which option you choose depends largely on how you prefer to work and how
        your system is set up.
      </p>
<p>
        For example a casual user who just needs the acosh function, would probably
        be better off including <code class="computeroutp