Encyclopedia of Elementary Mathematics . Algebra and Analysis” by Weber and Wellstein is a fascinating and deep dive into the world of mathematics, which will become a reliable companion for both students and anyone who wants to refresh their knowledge in this important area. This work is not just a textbook, but a real encyclopedia that covers a wide range of topics, ranging from the basics of algebra to more complex concepts of mathematical analysis. Weber and Wellstein offer readers a unique approach to the study of mathematics They not only expound the theory, but also focus on the practical application of mathematical concepts. Each topic is accompanied by examples and tasks, which allows the reader not only to learn the material, but also to learn how to apply it in practice. This book will be an excellent assistant for schoolchildren, students, as well as for those who are preparing for exams or want to improve their skills in mathematics. One of the key topics addressed in the book is the relationship between algebra and analysis. The authors show how algebraic methods can be used to solve problems of mathematical analysis, and vice versa. This makes the material particularly interesting for those who want to understand how different sections of mathematics are interconnected and how they can be used to solve real-world problems. The book will be especially useful for students of technical specialties, as well as for teachers who are looking for quality materials for their classes. It is suitable for readers of different ages, starting from high school and ending with adults who want to deepen their knowledge. It is important to note that the style of presentation of the authors is clear and accessible, which makes complex topics more understandable and easy to perceive. Weber and Wellstein are well-known mathematicians and teachers who have already established themselves in the world of scientific literature. Their previous works, such as Fundamentals of Mathematical Analysis and Algebraic Structures, have also been praised by readers and critics. In this book, they continue their tradition of accessible and engaging presentation of complex topics, making their work ideal for anyone who wants to not only teach but also understand mathematics. The topics raised in the Encyclopedia of Elementary Mathematics cover a wide range of topics, from simple equations and inequalities to more complex concepts such as functions, derivatives, and integrals. The authors pay attention to both theoretical aspects and practical problems, which allows the reader to see mathematics not only as a set of formulas, but also as a powerful tool for analyzing and solving real problems. This book will become a real storehouse of knowledge for those who want to deepen their mathematical skills, as well as for those who are simply looking for interesting and informative reading. It will help to develop logical thinking and analytical abilities, which will certainly be useful in any field of activity. If you’re looking for a quality algebra and analysis textbook, the Encyclopedia of Elementary Mathematics is exactly what you need. Do not miss the opportunity to touch the world of mathematics, which will be not only useful, but also fascinating for you!