The book "Equalizations with private derivatives in examples and tasks" edited by a team of authors is a unique textbook that will become an indispensable assistant for students, graduate students and anyone interested in mathematics and its applications in various fields of science and technology . This publication offers readers not only theoretical foundations, but also practical examples, making it particularly valuable for a thorough understanding of the topic. Partial Derivative Equations (PPE) is one of the key branches of mathematical analysis, which is widely used in physics, engineering, economics and other sciences. The book contains a variety of tasks that will help the reader to master the method of solving UDP and apply the knowledge gained in practice. Each chapter contains clear explanations, examples of problem solving and exercises that allow the reader to gradually delve into the material and develop their skills. This book will be especially useful for students of technical and natural science specialties, as well as teachers who are looking for quality materials to prepare for classes. It is suitable both for self-study and for use in the educational process. If you study in the Faculty of Mathematics, Physics, Engineering or related disciplines, this manual will become your reliable companion in the world of complex mathematical concepts. The topics raised in the book cover a wide range of issues related to partial-derivative equations. Readers will be able to get acquainted with methods for solving linear and nonlinear equations, to study various approaches to their classification and analysis. The book also touches on important aspects, such as initial and boundary tasks, making it particularly relevant for those planning to pursue research in mathematics or applied science. The style of the authors is characterized by accessibility and clarity of presentation, which allows even complex mathematical concepts to be presented in an understandable and logical form. This makes the book attractive to a wide audience, including those who are just starting to get acquainted with the topic. The team of authors working on the publication consists of experienced teachers and researchers, which guarantees the high quality of the material and the relevance of the presented knowledge. If you are looking for literature that will help you understand partial derivative equations, "Private Derivative Equations in Examples and Tasks" will be an excellent choice. This manual will not only expand your knowledge, but also help develop the analytical thinking necessary to solve complex problems in scientific and practical activities. In addition, this publication may be of interest to those who are fond of mathematical modeling, since partial-derivative equations play a key role in describing many physical processes, such as heat propagation, wave phenomena and fluid dynamics. The book will be a great help for those who want to deepen their knowledge in these areas. In conclusion, “Equalizations with private derivatives in examples and tasks” is not just a textbook, but a real storehouse of knowledge that will help you confidently step into the world of complex and fascinating mathematics. Do not miss the opportunity to enrich your knowledge and skills by discovering this wonderful book!