The book "Student notes on computer science and mathematics . Issue. 2" by A. N. Morozova, published by Yaroslavl State University, is a unique collection that will become an indispensable assistant for students, graduate students and anyone interested in the basics of computer science and mathematical sciences. This edition continues the tradition of the first edition, offering readers even more useful materials that will help them to understand complex topics and prepare for exams. The second issue of Student Notes covers a wide range of topics, ranging from the basic concepts of computer science to more complex mathematical concepts. Author, A. N. Morozov, with his inherent clarity and accessibility, presents the material, which makes it ideal for students who are just starting their way in these sciences. The book includes not only theoretical aspects, but also practical tasks that will help to consolidate the knowledge gained. This book will be especially interesting for students of technical specialties, as well as for anyone who wants to improve their skills in programming, algorithms and mathematical analysis. If you are looking for materials to prepare for exams or just want to refresh your knowledge, “Student Notes on Computer Science and Mathematics . Issue. 2" would be a great choice. It is suitable for both first-year students and those who already have some experience, but want to systematize their knowledge and delve into the study of the subject. The topics raised in the book cover not only theoretical foundations, but also practical aspects, which makes the material more lively and relevant. Readers will be able to find here explanations of key concepts such as algorithms, data structures, and mathematical methods that are used in computer science. In addition, the author focuses on the importance of mathematical thinking for solving problems in the field of programming and software development. Style A. N. Morozova is clear and logical, which makes it easy to digest even the most complex topics. His previous work has also received positive reviews for its accessibility and practical focus. If you are familiar with his other works, you know that each of them is filled not only with theory, but also with practical examples, which makes learning more effective. The book "Student notes on computer science and mathematics . Issue. 2" will not only help you in your studies, but will also be a great addition to your library It can be useful not only for students, but also for teachers who are looking for quality materials for their classes. The collection will be an excellent resource for preparing for seminars and laboratory work, as well as for self-study. If you are looking for books on computer science, mathematics or textbooks for students, then this edition is definitely worth your attention. It will help you not only to master the necessary knowledge, but also to develop skills that will be useful in the future, whether in school or in practice. Do not miss the opportunity to take a step towards your success in the world of science and technology with the help of "Student Notes on Computer Science and Mathematics . Issue. 2.