The Book of Mathematics . Derivative applications. Functions of many variables" under the authorship of a team of authors, including Vasilyeva A. In. , is a deep and comprehensive study in the field of mathematical analysis that will be of particular benefit to both students and teachers. This work immerses the reader in the world of derivatives and multidimensional functions, revealing their practical application in various fields of science and technology. Vasilyeva A . In. and her colleagues offer readers not only theoretical knowledge, but also practical skills that will help in solving real problems The book covers a wide range of topics, ranging from the basics of the derivative to complex concepts related to the functions of several variables. Readers will be able to learn how derivatives affect the behavior of functions, how they can be used to find extremes, and how multidimensional functions are applied in various scientific disciplines such as physics, economics, and engineering. This book will be of interest to senior students of mathematical and technical specialties, as well as graduate students and teachers who want to deepen their knowledge in the field of mathematical analysis. It will become an indispensable tool for those who are preparing for exams or want to improve their skills in solving mathematical problems. In addition, the book can attract the attention of anyone interested in applied mathematics and its role in modern sciences. The topics raised in the book are not limited to theory. The authors focus on the practical application of the concepts studied, which makes the material accessible and understandable. Readers will be able to see how derivatives are used in real-world tasks, such as process optimization and modeling of various phenomena. This makes the book especially valuable for those who want not only to study mathematics, but also to apply it in their professional activities. The style of the authors is distinguished by clarity and logical presentation, which makes it easy to assimilate even the most complex concepts. Each chapter includes examples and tasks that help consolidate the knowledge gained and develop problem-solving skills. In addition, the book contains many illustrations and graphs, which makes the material more clear and understandable. If you are looking for literature that will help you understand the complex aspects of mathematical analysis, "Mathematics. Derivative applications. Functions of many variables" will be an excellent choice. It will not only expand your knowledge, but also inspire you to further study mathematics and its applications. This book can be your reliable companion in the world of numbers and formulas, opening the door to new opportunities and knowledge. Vasilyeva A . In. She has already established herself as an author able to explain complex mathematical concepts in an accessible way. Her previous work has also received positive reviews and has become popular with students and faculty. "Mathematics. Derivative applications. Functions of Many Variables" continues this tradition, offering readers high-quality and relevant material that meets the modern requirements of education. Thus, if you want to deepen your knowledge of mathematics and discover new horizons in its applications, this book will be a real find for you. Do not miss the opportunity to get acquainted with the work that can change your perception of mathematics and its role in our lives.