The Brachistichrone Problem  
   A Java applet which illustrates the solution to the Brachistichrone problem.
   http://home.ural.ru/~iagsoft/BrachJ2.html

Lagrangian and Hamiltonian Mechanics  
   A detailed introduction to the basic features and mathematical formalisms involved.
   http://alamos.math.arizona.edu/~rychlik/557-dir/mechanics/

The Principle of Least Action  
   A brief review of the mathematics and physics involved in the principle of least action.
   http://www.ph.utexas.edu/~gleeson/httb/chapter1_3_6.html

Lagrangians and Hamiltonians for High School Students  
   A discussion of Lagrangian and Hamiltonian dynamics is presented at a level which should be suitable for advanced high school students.
   http://arxiv.org/abs/physics/0004029