Semiclassical computations of energy levels

The diffusion of internet is not to foresee anymore, it is there. Enterprises, and individuals in particular, are now familiarized with this new media and youngsters develop a new culture that complements and nourish the « new economy». Teaching is also taking this new turn under different names: on-line teaching, distance learning, tele formation, etc.. One can note three factors that are going to sustain the development of « distance learning »( Carton M, Tawil S, 1997)