The book Higher Mathematics . Series, Theory of Functions of Complex Variable, Operating Calculus", written by I. In. Prousov, is a fascinating and deep immersion into the world of higher mathematics. This publication will be especially useful for students, graduate students and teachers, as well as for anyone seeking to expand their knowledge in mathematical analysis and function theory. Prousov's work covers key topics such as series, complex variable function theory, and operational calculus. These sections are not only fundamental in higher mathematics, but are also widely used in various fields of science and technology. The author consistently and readily explains complex concepts, focusing on their practical application. The reader will be able to see how theoretical knowledge is transformed into tools that help solve real-world problems. The book stands out for its clear presentation style and logical structure. Prusov not only shares the theory, but also offers many examples and tasks, which makes the learning process interactive and exciting. Each section contains practical exercises that help to consolidate the material and develop analytical thinking. This is especially important for students who are preparing for exams or want to deepen their knowledge in mathematics. The topics raised in the book are relevant not only for students of mathematical and engineering specialties, but also for anyone interested in the exact sciences. Understanding the series and functions of a complex variable opens the door to a deeper study of disciplines such as physics, economics, and computer science. Operational calculus, in turn, is a powerful tool for solving differential equations, making it indispensable in engineering practice. The book "Higher Mathematics" will be of interest to both young scientists and experienced researchers who want to refresh their knowledge or get acquainted with new approaches to the study of higher mathematics. It will be an excellent addition to the library of anyone who seeks self-improvement and development in the field of exact sciences. and . In. Prusov is an author known for his deep understanding of mathematics and his ability to convey complex ideas to a wide audience. His other works are also noteworthy as they continue the tradition of accessible and high-quality presentation of mathematical topics. Prusov is actively engaged in teaching and scientific activities, which allows him to stay up to date with current trends and needs of students. If you are looking for a book that will help you understand the complex concepts of higher mathematics and give you the opportunity to apply this knowledge in practice, then Higher Mathematics Rows, Theory of Functions of Complex Variables, Operating Calculus” will be a real find for you. This edition will not only enrich your knowledge, but also inspire further research in mathematics and its applications. Do not miss the opportunity to discover the world of higher mathematics with E. In. His book will be your companion on this fascinating journey.