 <li>
          <b>FIBONACCI_FLOOR</b> returns the largest Fibonacci number less than or equal to N.
        </li>
        <li>
          <b>FIBONACCI_RECURSIVE</b> computes the first N Fibonacci numbers.
        </li>
        <li>
          <b>GAMMA_LOG_VALUES</b> returns some values of the Log Gamma function.
        </li>
        <li>
          <b>GAMMA_VALUES</b> returns some values of the Gamma function.
        </li>
        <li>
          <b>GEGENBAUER_POLY</b> computes the Gegenbauer polynomials C(I