or problem 6.
        </li>
        <li>
          <b>P06_FUN</b> evaluates the integrand for problem 6.
        </li>
        <li>
          <b>P06_PARAM</b> gets or sets parameters for problem 6.
        </li>
        <li>
          <b>P06_TITLE</b> returns the title for problem 6.
        </li>
        <li>
          <b>P07_EXACT</b> returns the exact integral for problem 7.
        </li>
        <li>
          <b>P07_FUN</b> evaluates the integrand for problem 7.
        </li>
        <li>
          <b>