The book "ETAP software package for parameter calculation" edited by Ershov M. C. and groups of authors is an indispensable resource for specialists in the field of electrical engineering and energy, as well as for students studying these disciplines This work contains all the necessary knowledge and practical skills that will help readers to master the software complex ETAP, designed for the analysis and design of electrical systems. From the first pages of the book, the reader plunges into the world of modern technologies that help optimize the design of electrical networks. The authors describe in detail the functionality of ETAP, starting with the basics and ending with complex calculations, which makes the book useful for both beginners and experienced specialists. It examines various aspects of working with software: from the creation of schemes to the analysis of results, which allows the reader not only to get acquainted with the theory, but also to apply the knowledge gained in practice. The book will be especially interesting for students of technical universities, graduate students and practicing engineers working in the field of energy, electrical engineering and automation. It will be an excellent tool for those who want to deepen their knowledge in the design and analysis of electrical systems, as well as for those who seek to master the relevant tools used in this field. If you are looking for literature on topics related to power grids, power system design, or engineering computing software, then this book will be a real find for you. The topics raised in the book cover a wide range of issues, from the basics of electrical engineering to complex calculations related to the reliability and efficiency of electrical systems. The authors emphasize the importance of accuracy of calculations and the possibility of using ETAP for modeling various scenarios, which allows engineers to make informed decisions. This is especially true in light of the current requirements for the sustainability and reliability of energy systems, which makes the book particularly valuable in a rapidly changing technology landscape. The writing style of the authors is clear and accessible, which makes it easy to assimilate even the most complex concepts. They use a lot of illustrations and examples, which makes the learning process more visual and exciting. In addition, the book contains practical tasks and recommendations that will help the reader to consolidate the knowledge gained and apply them in real projects. The book "ETAP software package for calculating parameters" is not just a tutorial, but also a practical guide that will become your reliable companion in the world of electrical engineering. It is ideal for those who want to be one step ahead in their profession, mastering modern tools and methods of work. If you are looking for literature that will help you understand the principles of electrical systems and master a powerful tool for analyzing them, then this book is your ideal choice. Do not miss the opportunity to enrich your knowledge and skills by discovering the world of ETAP and its capabilities!