Lagrangian and Hamiltonian Mechanics

The Brachistichrone Problem - A Java applet which illustrates the solution to the Brachistichrone problem.
home.ural.ru/~iagsoft/BrachJ2.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.
arxiv.org/abs/physics/0004029

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

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