Note.A("An important", "UML note");
Note.B("Another note");

leftToRight(20)(A, B);
drawObjects(A, B);

clink(dashedLink)(A, B);

input metauml;
input TEX;

beginfig(5);
  Note.A("This class implements the formula:", 
          TEX("$\sum_1^n f(x)\cdot dx$"));
  drawObjects(A);
endfig;

end