Under the guidance of prof. F. Motsnyy, the regular meeting of the scientific math circle “Integral” took place. Associate Professor of the Department of Economic Cybernetics L. Perkhun, spoke on “Research of the stability of dynamic systems by means of linear algebra”. Theoretical information on the issue was described by the example of research on the stability of the model arms race. Students have actively participated in the discussion and resolution of the proposed problems. Closing session of the group was Professor of Mathematics F. Motsnyy, by stressing the critical role of understanding the importance of Mathematics for junior students and their learning process.