EN
Graphic calculator is one of the tools which can help students in cognitive process experimenting in the course of hard problem solving. This can favour various mathematical skill development such as observing, analyzing, generalizing, formulating and reviewing hypotheses. In this article it will be demonstrated how it is possible to use the graphic calculator during the classes on 4uantitative subjects to ponder the problems that are inaccessible to students while using the traditional methods and demonstrative means.