integral.
        </li>
        <li>
          <b>CLAUSEN_VALUES</b> returns some values of the Clausen's integral.
        </li>
        <li>
          <b>CLEBSCH_GORDAN_VALUES</b> returns some values of the Clebsch-Gordan function.
        </li>
        <li>
          <b>COLLATZ_COUNT_VALUES</b> returns some values of the Collatz count function.
        </li>
        <li>
          <b>COS_VALUES</b> returns some values of the cosine function.
        </li>
        <li>
          <b>COS_DEGREE_VALUES:</b> 