ef = "../../f_src/test_con/test_con.html">
      TEST_CON</a>,
      a FORTRAN90 library which
      implements test problems for numerical continuation.
    </p>

    <p>
      <a href = "../../f77_src/toms502/toms502.html">
      TOMS502</a>,
      a FORTRAN77 library which
      seeks to produce a sequence of points that satisfy a set of nonlinear
      equations with one degree of freedom;
      this library is commonly called <b>DERPAR</b>;<br>
      this is ACM TOMS algorithm 502.
    </p>

    <p>
  