The book Numerical Methods . At 2 p.m.. H. 1 Numerical Methods for Solving Equations and Their Systems” by I. C. Kulikova and Yu. A. Long is an important and relevant publication for anyone interested in numerical methods in mathematics and their practical application. In the first part of this two-volume work, the authors consider in detail the methods of solving equations and their systems, which makes the book an indispensable tool for both students and professionals in the field of mathematics, engineering and computer science. The book begins with the basics of numerical methods, explaining why they are so important in the modern world. In conditions where analytical solutions to many equations are impossible or extremely complex, numerical methods become the main tool for finding approximate solutions. The authors skillfully introduce the reader to the world of numerical calculations, focusing on practical aspects, which allows you to quickly master the material and apply it to real-world tasks. Readers interested in mathematical modeling, scientific computing, and applied mathematics will find this book particularly useful. It is suitable for both undergraduate and postgraduate students, as well as for practicing professionals working in the field of software development, engineering and scientific research .. If you are looking for a quality and affordable guide to numerical methods, this publication will be a real find for you. The topics raised in the book cover a wide range of issues, from the simplest methods of solving equations to more complex algorithms used to work with systems of equations. The authors not only describe the theory, but also offer many examples and tasks, which allows the reader to consolidate the knowledge gained in practice. An important aspect of the book is its practical orientation - each method is accompanied by real examples, which makes the material more understandable and accessible. The style of the authors is distinguished by the clarity and logic of the presentation . and . C. Kulikov and Yu. A. Long use understandable language, avoiding overly complex terminology, which makes the book available to a wide audience This quality is especially appreciated by readers who may not be familiar with advanced mathematics, but want to understand numerical methods. In addition, the authors pay attention to modern software, which allows readers not only to understand the theory, but also to apply it in practice with the help of computer programs. The book Numerical Methods . At 2 p.m.. H. Numerical methods of solving equations and their systems” is not just a textbook, but a whole world in which the reader is immersed, studying the methods that underlie many modern technologies. If you are looking for literature on numerical methods that will be both informative and fascinating, this book will become your reliable companion. In conclusion, it is worth noting that this edition can be an excellent addition to the library of anyone who seeks to understand numerical methods and their application in various fields of science and technology. Do not miss the opportunity to discover the fascinating world of numerical calculations with the help of this book!