Calculation of electric circuits of constant and single-phase sinusoidal current: method. Manual on the Theory of Electrical Circuits by C. In. Batyukova is an indispensable work for students, engineers and everyone who is interested in electrical engineering and electronics. In this manual, the author describes in detail and accessible the theoretical foundations and practical aspects of the calculation of electrical circuits, which makes it an ideal companion for studying this topic. C. In. Batiukov, an experienced lecturer and practitioner in electrical engineering, offers readers a unique approach to understanding electrical circuits. The book covers a wide range of topics, ranging from the basics of the theory of electrical circuits to complex calculations, which allows readers to gradually delve into the material. The author uses a clear and accessible language, which makes his manual ideal for students of technical universities, as well as for beginners who want to refresh their knowledge or master new methods of calculation. One of the key topics addressed in the book is the analysis of direct and alternating current. Batyukov not only explains the basic principles of electrical circuits, but also demonstrates how to apply this knowledge in practice. Readers will be able to get acquainted with the methods of calculation, which are used in real conditions, as well as with examples that will help to better assimilate the material. This manual will be an excellent help for those who are preparing for exams or want to improve their skills in the field of electrical engineering .. The book also touches on important aspects related to the use of single-phase sinusoidal current, making it particularly relevant to future engineers and technicians. Batyukov pays attention not only to theory, but also to practical tasks, which allows readers not only to understand, but also to learn how to apply the knowledge gained. Thanks to this, the manual will be interesting not only for students, but also for practitioners who want to improve their skills in calculating electrical circuits. The topics raised in the book include the basics of electrical engineering, methods of circuit analysis, as well as the principles of operation of various electrical components. Batyukov emphasizes the importance of understanding these fundamentals for the successful solution of practical problems .. Readers will be able not only to master the theoretical aspects, but also to learn how to apply them in real life, which makes this book especially valuable. The author's style is distinguished by clarity and logical presentation, which makes it easy to digest even the most complex topics. Batiukov uses many illustrations and examples, which makes the learning process more exciting and interactive. This manual will be an excellent addition to educational materials and will help readers to confidently navigate the world of electrical circuits. If you are looking for a book that will help you understand the calculations of electrical circuits and deepen your knowledge in the field of electrical engineering, “Calculation of DC and single-phase sinusoidal current electrical circuits” from C. In. Batiukova is exactly what you need . Whether you are a student, a beginner or an experienced engineer, this guide will be your reliable assistant in the study and application of the theory of electrical circuits.