“Mathematical understanding of nature” is an outstanding work of the famous Russian mathematician and popularizer of science Vladimir Igorevich Arnold .. This book, published in 1990, is a fascinating journey into the world of mathematics and its connection with natural phenomena. Arnold, possessing a unique gift to explain complex concepts in a simple and accessible language, opens the door to an amazing world where mathematics becomes not just a set of formulas, but a tool for understanding the surrounding reality. The book covers a wide range of topics, from geometry and algebra to chaos theory and differential equations. Arnold shows how mathematical models help explain phenomena such as planetary motion, fluid behavior, sound wave oscillations, and even the evolution of living organisms. He masterfully combines abstract mathematical ideas with real examples from nature, which makes reading not only cognitive, but also exciting. This book will be of interest to both students and teachers, as well as anyone who seeks a deeper understanding of how mathematics permeates all aspects of our lives. If you are interested in physics, biology or even philosophy, the “Mathematical understanding of nature” will be a real discovery for you. Arnold appeals to the reader with respect and understanding, inviting him not just to memorize the formulas, but to realize their meaning and significance. The topics raised in the book concern not only mathematics, but also the philosophy of science. Arnold asks important questions about how we perceive the world and how mathematics can serve as the language by which we describe and understand it. He emphasizes that mathematics is not just an abstract science, but a powerful tool that can help us understand the complex processes occurring in nature. Arnold's style is clear and logical, which makes his works available to a wide audience. He is not afraid to use metaphors and analogies, which makes it easier for the reader to assimilate complex concepts. In his other well-known works, such as Geometry and Topology and Ordinary Differential Equations, Arnold also demonstrates his talent for explaining complex ideas in simple language. “Mathematical understanding of nature” is not just a textbook, but a real encyclopedia of knowledge that inspires further study of mathematics and its role in our world. The book can be a great gift for students, graduate students, teachers and anyone interested in science and mathematics. If you are looking for literature that will not only expand your horizons, but also make you think about the deep connections between mathematics and nature, then this book is exactly what you need. Do not miss the opportunity to immerse yourself in a world where mathematics and nature are intertwined, creating amazing patterns and patterns. “Mathematical understanding of nature” is the key to understanding not only the world around us, but also oneself.