The book "Practices on integral calculus of the function of one variable. Indefinite integral . Tutorial" is an indispensable resource for students, graduate students and anyone who seeks to better understand the basics of integral calculus. The team of authors working on this book has collected in one edition all the necessary materials for study and practice, which makes it an ideal assistant for both self-study and for use in classes. The focus of the book is an indefinite integral - one of the key topics of mathematical analysis. The authors offer the reader not only theoretical foundations, but also a lot of practical problems that will help to consolidate the knowledge gained. Each chapter is structured in such a way as to gradually introduce the reader to the world of integral calculus, starting with simple concepts and ending with more complex concepts. This makes the book available to a wide audience, including those who are just beginning to get acquainted with mathematics, and those who already have some experience. Who can like this tutorial? First of all, technical students studying mathematics as part of their program. It will also be useful for high school students preparing for exams, and for everyone who is interested in mathematics and wants to improve their skills in solving integrals. The book will be an excellent help for teachers who are looking for high-quality materials for preparing their classes . The topics raised in the book cover not only the process of integration itself, but also its application in various fields of science and technology. The authors emphasize the importance of integral calculus in physics, economics and engineering, which allows the reader to see the practical significance of the material being studied. Each task is accompanied by a detailed solution, which helps not only to understand how to solve such problems, but also develops analytical thinking. The style of the authors is clear and accessible. They use simple and understandable explanations, which makes the material easy to perceive. This is especially important for complex topics, such as integration, where each step requires attention and understanding. The book is filled with illustrations and graphs that help visualize the integration process and make learning more visual. If you are looking for similar works, pay attention to other tutorials on mathematical analysis, such as "Mathematical Analysis" by the authors of G. M. Fichtenholtz or "Course of Mathematical Analysis" B. A. Zorych . These books also offer a deep immersion into the world of mathematical concepts and may be useful to supplement the knowledge gained from the "Practice of Integral Calculus". In conclusion, "Practices on integral calculus of the function of one variable. Indefinite integral . The textbook is not just a book, but a whole world of opportunities for study and practice. It will be a faithful companion on the way to understanding integral calculus and will help develop skills that will be useful in studies and future careers. Do not miss the chance to immerse yourself in the fascinating world of mathematics with this wonderful guide!