Introduction to Difference Circuit Theory by A. A. Samara is a fascinating and deep immersion in the world of numerical methods, which will become an indispensable tool for students, graduate students and specialists in mathematics, physics and engineering. If you’ve ever wondered how mathematical models can be applied to real-world problems, this book will provide you with all the tools and knowledge you need. The main purpose of the work is to acquaint the reader with the basics of the theory of difference schemes, which are an important tool for numerical solution of differential equations. The author, having many years of experience in this field, offers the reader not only theoretical aspects, but also practical examples that make the material accessible and understandable. Each chapter of the book is imbued with logic and consistency, which allows the reader to master complex concepts step by step. The book begins with the basics, where Samarsky explains what difference circuits are and how they can be used to approximate derivatives. The reader is immersed in the world of numerical methods, where each step is accompanied by examples and tasks that will help to consolidate the material. It is important to note that the author pays attention not only to mathematical aspects, but also to physical interpretations, which makes the study more fascinating and practical. For whom is this book intended? First of all, it will be of interest to students and graduate students of technical and natural sciences specialties, as well as teachers who are looking for quality material for their courses . Engineers and researchers working in the field of computing technologies will also find in it many useful ideas and methods that can be applied in their projects. The book will be useful to those interested in numerical analysis, mathematical modeling and computer simulations. The topics raised in the book cover a wide range of issues, ranging from the basics of difference schemes to their application in various fields of science and technology. Samarasky focuses on the importance of choosing the right scheme for a specific task, which is a key point in numerical methods. The reader will be able to learn about the different types of difference schemes, their stability and convergence, as well as the methods of error analysis. These aspects make the book relevant and useful for understanding modern numerical approaches. Style A. A. Samara is distinguished by clarity and accessibility, which allows even complex mathematical concepts to be explained in simple and understandable language. His other well-known works, such as Numerical Methods and Methods for Solving Differential Equations, have also been recognized for their practical focus and deep understanding of the subject. In the Introduction to Difference Circuit Theory, the author continues this tradition by offering readers not only theoretical knowledge but also practical skills that they will be able to apply in their professional activities. The book "Introduction to the theory of difference schemes" is not just a textbook, but a real find for everyone who wants to deepen their knowledge in the field of numerical methods and learn how to apply them in practice. If you are looking for a quality and fascinating guide on difference schemes that will help you understand complex issues and open new horizons in your scientific or engineering activities, this book will become your faithful companion along the way. Do not miss the opportunity to discover the world of numerical methods with A. A. Samarsky!