Ordinary Differential Equations and Systems . Examples and Tasks" edited by E. G. Rudakovskaja is an indispensable educational resource for students, graduate students and teachers studying mathematics and its applications in various fields of science and technology .. This textbook offers readers a deep dive into the world of ordinary differential equations (ODI) and systems, providing not only theoretical foundations, but also practical tasks that will help consolidate the knowledge gained. The book discusses the basic concepts and methods of solving ordinary differential equations, starting with the simplest first-order equations and ending with more complex systems. The authors pay special attention to practical aspects: each chapter is accompanied by many examples and tasks, which allows the reader not only to understand the theory, but also to apply it in practice. This makes the book an ideal tool for both self-study and for use in the educational process. Who can like this book? First of all, it will be useful for students of mathematical, physical and engineering specialties, as well as for everyone who is interested in mathematics and its applications . If you study at the Faculty of Applied Mathematics, Physics or Engineering, then this manual will be your faithful assistant in mastering complex topics. The book can also attract the attention of teachers who are looking for quality materials for their courses, as well as graduate students working on scientific projects related to differential equations. The topics raised in the book cover a wide range of issues, including methods for solving linear and nonlinear equations, systems of differential equations, and their applications in various fields of science and technology. The authors emphasize the importance of understanding not only the methods of solution, but also their interpretation in the context of real problems. This makes the book especially valuable for those who want not only to solve the equation, but also to understand its physical meaning and application. The writing style of the authors is clear and accessible, which allows the reader to easily absorb even the most complex concepts. Each section is logically structured, which contributes to the consistent development of the material. The book is filled with illustrations, graphs, and tables that help visualize information and make the learning process more engaging. E. G. Rudakovskaya and her colleagues are well-known specialists in the field of mathematics, and their work has already proven itself in the market of educational literature. In their portfolio you can find many other textbooks and manuals that also deserve attention. For example, their previous work on mathematical analysis and linear algebra is popular among students and teachers. If you are looking for a high-quality tutorial on ordinary differential equations that will help you understand this important area of mathematics, the book "Ordinary Differential Equations and Systems. Examples and Tasks" will be an excellent choice. This is not just a collection of problems, but a full-fledged textbook that will help you confidently step on the path to understanding complex mathematical concepts. Do not miss the opportunity to make your learning process more productive and interesting!