   </li>
        <li>
          <a href = "r8_choose.m">r8_choose.m</a>, 
          computes the combinatorial coefficient C(N,K).
        </li>
        <li>
          <a href = "r8_huge.m">r8_huge.m</a>, 
          returns a "huge" R8.
        </li>
        <li>
          <a href = "r8_sign.m">r8_sign.m</a>, 
          returns the sign of an R8.
        </li>
        <li>
          <a href = "r8_tiny.m">r8_tiny.m</a>, 
          returns a "tiny" R8.
        </li>
        <li>
          <a href = "r8vec_pri