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

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

    <p>
      <ul>
        <li>
          <b>PRIME_NUMBER</b> returns the number of primes between 1 and N.
        </li>
      </ul>
    </p>

 