In the last years the education of the Mathematics, as well as the form of " to make Matemáticas" it is changing. The presence of computers in the homes, the schools and the Institutes of Secondary, next to the existence of a great amount of good programs designed specifically for " to make Matemáticas" , it is, slowly, producing important and positive methodologic changes in the education of the Mathematics. The computers really constitute a wonderful mathematical laboratory that it allows to experiment, to replace deficiencies in the mathematical baggage of the student, to develop the intuition, to conjecture, to verify, to demonstrate, and, " to see the situations matemáticas" of a practical form. Therefore they have become a valuable didactic instrument.