f the Spherical Bessel function i1.
        </li>
        <li>
          <b>BESSEL_I1_VALUES</b> returns some values of the I1 Bessel function.
        </li>
        <li>
          <b>BESSEL_IN_VALUES</b> returns some values of the In Bessel function.
        </li>
        <li>
          <b>BESSEL_IX_VALUES</b> returns some values of the Ix Bessel function.
        </li>
        <li>
          <b>BESSEL_J0_INT_VALUES</b> returns some values of the Bessel J0 integral.
        </li>
        <li>
          <b>