a href = "../../f77_src/sum_million/sum_million.html">
      SUM_MILLION</a>,
      a FORTRAN77 program which 
      sums the integers from 1 to 1,000,000, as a demonstration of how
      to rate a computer's speed;
    </p>

    <p>
      <a href = "../../f77_src/timer/timer.html">
      TIMER</a>,
      FORTRAN77 programs which
      demonstrate how to compute CPU time or elapsed time.
    </p>

    <h3 align = "center">
      Reference:
    </h3>

    <p>
      <ol>
        <li>
          John Burkardt, 