The book "Established modes in linear electrical circuits: methodological guidelines for laboratory work on theoretical foundations" is an indispensable assistant for students and teachers engaged in the study of electrical engineering and electronics. The author's team, consisting of experienced specialists in the field of electrical circuits, offers readers a unique approach to the development of theoretical foundations and practical skills necessary for the successful performance of laboratory work. This edition examines in detail the established modes in linear electrical circuits, which is a key aspect in understanding the operation of electrical systems. The book covers a wide range of topics, ranging from basic concepts to complex calculations, making it useful for both beginners and more experienced students. Each section contains clear explanations, examples and tasks that will help readers consolidate their knowledge and develop skills in analyzing electrical circuits. Who can like this book? First of all, it is intended for students of technical universities studying electrical engineering, electronics and related disciplines . However, due to its accessible language and structured approach, it will also be useful for teachers who are looking for quality guidance for their lab sessions. In addition, the book may be of interest to engineers and practitioners who want to refresh their knowledge or understand new aspects of the operation of electrical circuits. The topics raised in the book cover not only theoretical aspects, but also practical applications, which makes it especially valuable for future specialists. Readers will be able to learn about various methods of analyzing electrical circuits, such as the method of node potentials, the method of contour currents, and others. This knowledge will help them not only to successfully complete the course, but also to prepare for the real tasks that they will face in their professional life. The style of the authors is distinguished by clarity and logical presentation, which makes the material accessible to perception. The book is filled with illustrations, graphs, and diagrams that help visualize complex concepts and make the learning process more engaging. This approach allows readers not only to remember information, but also to understand its essence, which is especially important in technical disciplines. If you are looking for literature that will help you to better understand electrical circuits and their behavior in established modes, then “Settled modes in linear electrical circuits” will be an excellent choice. This publication will not only expand your knowledge, but also inspire further research in the field of electrical engineering. In addition to this book, you can look at other works on electrical circuits, such as James X's Electric Circuits. Hight or "Fundamentals of Electrical Engineering" E. F. Kotelnikova . These works can also be useful for in-depth study of the topic and broadening of horizons. Thus, "established modes in linear electrical circuits: Methodological instructions for laboratory work on theoretical foundations" is not just a textbook, but a real guide to the world of electrical engineering, which will help you confidently walk the path of knowledge and professional growth.