The book "Equalities of mathematical physics" by A. N. Pavlenko is a fascinating and deep dive into the world of mathematical models that underlie physical phenomena. This publication will become an indispensable assistant for students, graduate students and teachers, as well as for anyone interested in physics and mathematics. The book examines the basic equations describing various physical processes, from mechanics to thermodynamics, and gives the reader the opportunity not only to get acquainted with the theory, but also to see the practical application of this knowledge. Pavlenko masterfully combines complex mathematical concepts with an accessible explanation, which makes the material understandable even for those who are just starting their way in the study of mathematical physics. He not only expounds the facts, but also creates an intriguing atmosphere in which the reader can feel like a researcher, opening up new horizons of science. Each chapter of the book contains not only theoretical calculations, but also examples illustrating how mathematical equations are used to solve real problems. This book will be of particular interest to students of technical and natural sciences, as well as those who are fond of physics and mathematics. If you study at the Faculty of Physics, Engineering or Applied Mathematics, then the “Equals of Mathematical Physics” will become your reliable companion in your studies. It can also attract the attention of teachers who want to enrich their lectures with practical examples and deepen students' understanding of the relationship between mathematics and physics. The topics raised in the book cover a wide range of issues, such as wave processes, heat transfer, electromagnetic fields and many other aspects that are the basis of modern natural science. Pavlenko focuses on how mathematical models help to describe and predict the behavior of physical systems, which makes the book relevant for study not only in the academic environment, but also in scientific research. The author's style is distinguished by clarity and logical presentation, which allows the reader to easily follow the course of thought and assimilate complex concepts. A. N. Pavlenko is not only the author of this book, but also a specialist in the field of mathematical physics, which gives his works additional value. His other well-known works, such as Mathematical Methods in Physics and Course in Mathematical Physics, are also noteworthy and may be useful for a deeper understanding of the subject. If you are looking for a book that will help you not only to understand mathematical equations, but also to see their practical application in physics, "Equals of mathematical physics" will be an excellent choice. This work will not only expand your knowledge, but also inspire further research in the field of science. By reading this book, you will be able not only to master the theoretical aspects, but also to develop analytical thinking, which is an important skill in any scientific activity. Thus, the "Equals of Mathematical Physics" A. N. Pavlenko is not just a textbook, but a real find for everyone who seeks to understand how mathematics and physics interact in our world. Do not miss the opportunity to immerse yourself in the fascinating world of mathematical physics and discover new horizons of knowledge!