 repetitions of a duel between three players, each of
      whom has a known firing accuracy.
    </p>

    <p>
      <a href = "../../c_src/xising/xising.html">
      XISING</a>, 
      a C program which
      models the variations in ferromagnetism in a material, displaying
      the results using X Windows.
    </p>

    <p>
      <a href = "../../c_src/xwaves/xwaves.html">
      XWAVES</a>, 
      a C program which
      simulates the behavior of solutions of certain forms of the wave equation, displayi