The book "Differential equations and methods of their solution in the MATHCAD system", created by the team of authors, is a unique manual that combines theoretical foundations and practical aspects of working with difference equations . This publication will become an indispensable assistant for students, graduate students and specialists engaged in mathematical modeling, numerical methods and applied mathematics. The book deals in detail with differential equations - an important tool in mathematics, which is widely used in various fields of science and technology. The author’s team offers readers not only theoretical information about difference equations, but also practical recommendations for their solution using the MATHCAD system. This program, known for its powerful computing system and intuitive interface, allows you to effectively solve complex problems, which makes the book especially valuable for practicing engineers and scientists. One of the key topics raised in the book is the relationship between differential equations and differential equations, which allows the reader to better understand their nature and application. The authors focus on methods that allow finding numerical solutions to difference equations, which is relevant in the context of modern scientific progress. The reader will be able to get acquainted with various algorithms and methods, such as the finite difference method, the iteration method and others that will help in solving practical problems. The book will be of interest not only to students of technical specialties, but also to teachers who are looking for quality materials for their courses. It can become a basis for the educational process, as well as a useful guide for those who already work in this field. If you are interested in mathematical modeling, numerical methods or just want to deepen your knowledge in the field of differential equations, this publication will be a real find for you. The style of the authors is distinguished by clarity and accessibility of the presentation, which makes it easy to assimilate even the most complex concepts. The book is replete with examples and tasks that will help consolidate the knowledge gained in practice. The authors aim to make the material as understandable as possible, which is especially important for readers who may not have a deep knowledge of mathematics, but want to master the necessary skills to work at MATHCAD. In addition, the book discusses various applications of differential equations in real-world problems, such as modeling of physical processes, financial calculations, and many others. This makes the material relevant and in demand in a wide variety of fields, from engineering to economics. Readers will be able to see how theoretical knowledge is applied in practice, which will significantly increase their interest in the material being studied. If you are looking for literature that will help you master differential equations and methods for solving them using MATHCAD, then “Different equations and methods for solving them in the MATHCAD system” is exactly what you need. This book will be your reliable companion in the world of numerical methods and mathematical modeling, opening up new horizons of knowledge and opportunities for you. Do not miss the chance to immerse yourself in the fascinating world of mathematics and discover new horizons with this unique edition!