The book is dedicated to the Maple program - the latest system of symbolic analytical) mathematics. The basic rules of work in its environment, methods and methods of solving problems in elementary and higher mathematics, geometric constructions, probability theory and mathematical statistics are considered. A separate chapter is devoted to mathematical models in economics. The book is based on the author's rich teaching experience. Many examples of problem solving are given. The book is intended for scientific and technical workers, students and teachers of higher educational institutions.