Book 840 Higher Mathematics: Dissection. : Limits. Orthogonal bases. Series: Training. Manual for the implementation of model calculations for the studio. Sun» by Bondarev A. C. , Saburova T. N. , Underweight and . C. , Tishakov R. C. and Trinity C. D. is not just a textbook, but a real guide to the world of higher mathematics, which will become an indispensable assistant for university students studying this complex but fascinating subject. The book details key topics such as limits, orthogonal bases, and series. These sections are fundamental to understanding more complex mathematical concepts and theories. The authors strive to make the material accessible and understandable, which is especially important for students who may face difficulties in mastering abstract mathematical concepts. Each section contains not only theoretical explanations, but also practical examples, which allows readers to better absorb the material and apply it in practice. This book will be of interest to students of technical specialties, as well as to anyone who wants to deepen their knowledge in the field of higher mathematics. It is suitable for both beginners and more experienced readers seeking to systematize their knowledge and prepare for exams. If you are looking for a tutorial that will help you understand complex mathematical concepts, then “No. 840 Higher Mathematics” is exactly what you need. The topics raised in the book cover not only theoretical aspects, but also the practical application of higher mathematics in various fields of science and technology. The authors emphasize the importance of mathematical analysis in modern research and development, which makes the book relevant and in demand in the conditions of rapid development of technologies. Understanding the limits, orthogonal bases, and series opens the door to more complex topics such as functional analysis and differential equations, making this manual an important step towards a deeper understanding of mathematics. The style of the authors is distinguished by clarity and accessibility of presentation, which allows readers to easily perceive even the most complex concepts. Bondarev, Saburova, Nedosekina, Tishakova and Troitsky are a team of experienced teachers and researchers who know how to convey complex ideas to students. Their previous work has also received recognition in the academic environment, and this manual was no exception. The book "No. 840 Higher Mathematics" can be an excellent addition to the library of any student, and will also be useful to teachers who are looking for high-quality materials to prepare for classes. If you are interested in mathematics, physics, engineering or other technical sciences, this guide will be a reliable source of knowledge and inspiration for you. Do not miss the opportunity to immerse yourself in the world of higher mathematics with this unique tutorial It will help you not only to prepare for exams, but also to develop critical thinking, learn how to solve complex problems and apply mathematical methods in real life. 840 Higher Mathematics is your first step towards a deep understanding and mastery of this fascinating science.