From classroom teaching to e-learning: the way for a strong definition

In any process of adoption of e-learning is important to understand his elements and the way they interrelate. This work tries to achieve the e-Learning definition using a graphical interpretation supported by mathematical language that helps the understanding, step-by-step, of the transition from “Classroom Learning” to “e Learning”. In the last step, the obtained graphic and formula is used in order to reach what we call the strong e Learning definition.