The courses held in Parse as a package usually have overlaps that maximum amount of information can be transferred to the individual in minimal time by removing these overlaps. Also, in terms of course tuition, a significant discount is considered for persons registered in these courses. At the same time, the dependence of the contents of some courses to each other makes the persons need to pass them continuously in order to acquire the necessary expertise. Among other advantages of offering courses as a package, the following can be mentioned: no change of students in one package, getting to know the professor during the course and no need to unify their knowledge in different stages, along a path planned by a lecturer from beginning to end, having enough time to do scenarios, the possibility of full explanation of the topics of different courses at once and leading students to a complete specialization.