 of the Jn Bessel function.
        </li>
        <li>
          <b>BESSEL_JX_VALUES</b> returns some values of the Jx Bessel function.
        </li>
        <li>
          <b>BESSEL_K0_INT_VALUES</b> returns some values of the Bessel K0 integral.
        </li>
        <li>
          <b>BESSEL_K0_VALUES</b> returns some values of the K0 Bessel function.
        </li>
        <li>
          <b>BESSEL_K1_VALUES</b> returns some values of the K1 Bessel function.
        </li>
        <li>
          <b>BESSEL_K