ph and
      displays it in the MATLAB graphics window.
    </p>

    <p>
      <a href = "../../cpp_src/grf_display_opengl/grf_display_opengl.html">
      GRF_DISPLAY_OPENGL</a>,
      a C++ program which
      reads a GRF file defining a mathematical graph and
      displays it in an OpenGL graphics window.
    </p>

    <p>
      <a href = "../../m_src/grf_io/grf_io.html">
      GRF_IO</a>,
      a MATLAB library which
      reads and writes files in the GRF format.
    </p>

    <p>
      <a href = "../