The book "Integration of functions", written by a team of authors, is an important work that immerses the reader in the world of mathematical analysis and integration theory. This publication will be an indispensable assistant for students, graduate students and anyone interested in mathematics, especially in the context of higher education and research. The main theme of the book is the integration of functions, which is one of the key concepts in mathematics. The authors consider in detail various methods and approaches to integration, ranging from the simplest to more complex techniques. Each chapter of the book is filled with examples and tasks that will help the reader not only to understand the theory, but also to apply it in practice. This makes the book especially valuable for those who are preparing for exams or want to deepen their knowledge in the field of mathematical analysis. Readers who are looking for literature on integration are probably also interested in topics such as differential equations, mathematical physics, and numerical methods. The book “Integration of functions” will be an excellent addition to the library of any student or teacher, as well as anyone who wants to develop their analytical abilities. It will be useful for both beginners and more experienced readers seeking to refresh their knowledge or delve into the complex aspects of integration. One of the key features of the book is its accessible and understandable style of presentation. The authors aim to make complex mathematical concepts accessible to a wide audience, which allows readers with different levels of training to easily absorb material. Each chapter is logically structured, which contributes to the gradual and consistent mastering of the topic. This makes the book an ideal study guide for students enrolled in the faculties of mathematics, physics, and engineering. In addition, “Integration of Functions” raises important topics, such as the relationship between integration and differentiation, the application of integrals in various fields of science and technology, and the use of integrals to solve real-world problems. The authors focus on the practical application of the theory, which makes the book not only a theoretical manual, but also a practical guide. The book also includes many exercises and tasks that will help readers consolidate the knowledge they have gained. This makes it ideal for self-study and exam preparation. Readers will be able to test their abilities by solving problems that range from simple to more complex, which contributes to a deep understanding of the material. It is worth noting that the team of authors who worked on this book consists of experienced mathematicians and teachers, which guarantees high quality of presentation and relevance of information. Their experience and knowledge make it possible to create a work that will be relevant for many years. In conclusion, the book “Integration of functions” is not just a textbook, but a real find for everyone who wants to understand the world of integration and its application more deeply. It will become a faithful companion for students, teachers and anyone interested in mathematics. If you are looking for high-quality literature on integration, then this publication should certainly take a worthy place on your shelf. Do not miss the opportunity to immerse yourself in the fascinating world of mathematical analysis and discover new horizons of knowledge!