        commands to compile and run the sample program.
        </li>
        <li>
          <a href = "chrpak_prb_output.txt">chrpak_prb_output.txt</a>,
          the output file.
        </li>
      </ul>
    </p>

    <h3 align = "center">
      List of Routines:
    </h3>

    <p>
      <ul>
        <li>
          <b>A_TO_I4</b> returns the index of an alphabetic character.
        </li>
        <li>
          <b>BINARY_TO_I4</b> converts a binary representation into an integer value.
        </li>
    