The book "Equalities of mathematical physics" by A. N. Tihonova and A. A. Samara is an outstanding work that has become a classic in the field of mathematical physics and the theory of equations. If you are looking for a source of deep knowledge that can immerse you in the world of mathematical models describing physical phenomena, then this book will be a real find for you. In The Equations of Mathematical Physics, the authors offer the reader an extensive and systematic approach to the study of the equations that underlie many physical processes. The book covers a wide range of topics, ranging from simple equations to complex systems that describe fluid dynamics, heat transfer, and electromagnetic fields. Each section is riddled with deep mathematical calculations, which allows the reader not only to understand the theory, but also to see its practical application in real-world problems. This book will be of particular interest to undergraduate and graduate students studying physics, mathematics, and engineering. It will also attract the attention of teachers and researchers who want to deepen their knowledge in the field of mathematical modeling. If you are passionate about topics such as the theory of differential equations, numerical methods or mathematical physics, then “Equals of mathematical physics” will be an indispensable tool for you. One of the key topics raised in the book is the relationship between mathematical models and physical phenomena. The authors masterfully demonstrate how mathematical equations can describe the real world, and how, in turn, physical problems can inspire the creation of new mathematical theories. This interaction between mathematics and physics makes the book particularly valuable for those seeking an interdisciplinary approach in their research. The writing style of Tikhonov and Samarsky is distinguished by clarity and accessibility, which makes complex concepts more understandable to the reader. Their experience and in-depth knowledge in the field of mathematical physics allow them not only to present the material, but also to inspire the reader to further research. It is important to note that the authors are not afraid to raise difficult questions and invite the reader to independently find solutions, which contributes to the development of critical thinking and analytical skills. The book “Equalities of Mathematical Physics” deserves attention not only for its scientific value, but also for its practical orientation. It contains many examples and tasks that will help the reader to consolidate the knowledge gained and apply them in practice. This makes the book an ideal tool for both self-study and for use in the learning process. If you are looking for similar works, pay attention to books on the theory of differential equations, such as "Differential equations and their applications" or "Methods of mathematical physics" . These works will also help you deepen your knowledge and broaden your horizons in the field of mathematical physics. In conclusion, the “Equalities of Mathematical Physics” of Tikhonov and Samarsky is not just a textbook, but a real encyclopedia of knowledge that will become a reliable companion for everyone who seeks to understand the complex relationships between mathematics and physics. This book is your key to a world where abstract equations come to life and begin to tell stories about our physical world. Do not miss the opportunity to discover this amazing world of knowledge!