1491 Mathematical models of technological processes, devices and integrated circuits: studies . Manual by Sergey Yurchuk is an indispensable resource for students, graduate students and specialists in the field of engineering and applied mathematics . This tutorial not only immerses the reader in the world of mathematical modeling, but also opens the door to understanding the complex technological processes that are behind modern devices and integrated circuits. From the first pages of the book, the author sets a tone that combines academic rigor and practical applicability. Yurchuk masterfully explains how mathematical models can serve as a tool for analyzing and optimizing various technologies. It uses real-life examples to demonstrate how theoretical concepts are applied in practice. This makes the book especially valuable for those who want not only to study theory, but also to see how it works in reality. The book will be of interest not only to students of technical specialties, but also to practicing engineers who seek to improve their skills in the field of mathematical modeling. It is suitable for those who are fond of physics, computer science and engineering, as well as those who work in areas such as electronics, automation and robotics. The age range of readers can range from high school students interested in technical sciences to professionals seeking to update their knowledge. One of the key topics addressed in the book is the importance of mathematical modeling in modern technologies. Yurchuk emphasizes that without high-quality modeling it is impossible to create effective and reliable devices. He discusses different approaches to modeling, including both deterministic and stochastic methods, and shows how they can be applied to solve real-world problems. This topic is especially relevant in light of the rapid development of technologies, where design errors can lead to serious consequences. The author's style is distinguished by clarity and accessibility, which makes complex concepts understandable even for those who are just starting their way in mathematics and engineering. Yurchuk uses many illustrations and graphs, which helps to visualize the ideas presented and facilitates the assimilation of material. His approach to learning is based on the principle of "from simple to complex", which allows the reader to gradually delve into the topic. In addition, the book includes practical tasks and examples that contribute to the consolidation of knowledge and the development of skills. Readers will be able not only to get acquainted with the theory, but also to apply it in practice, which makes learning more interactive and exciting. Mathematical models of technological processes, devices and integrated circuits are not just a textbook, but a whole world in which readers are immersed, striving to understand how the technologies surrounding us work every day. This book will become a reliable assistant for anyone who wants to develop their knowledge in the field of mathematical modeling and apply them in their professional activities. If you are looking for literature that will help you understand the complex issues of modeling and technology, this guide will become your faithful companion. It will not only expand your horizons, but also inspire new discoveries in the world of science and technology.