Lagrangian and Hamiltonian Mechanics - A detailed introduction to the basic features and mathematical formalisms involved. alamos.math.arizona.edu/~rychlik/557-dir/mechanics
The Brachistichrone Problem - A Java applet which illustrates the solution to the Brachistichrone problem. home.ural.ru/~iagsoft/BrachJ2.html
The Principle of Least Action - An overview of the historical development of the principle of least action. ourworld.compuserve.com/homepages/cuius/idle/evolution/ref/leastact.html
The Principle of Least Action - A brief review of the mathematics and physics involved in the principle of least action. www.ph.utexas.edu/~gleeson/httb/chapter1_3_6.html
