"Applied Mathematics: Method." Grant for students of specialties "Techn. Security” and “Modeling and Computation” by Sergey Mikhailovich Borovikov is an indispensable resource for students seeking to better understand the basics of applied mathematics and its application in modern technologies. This manual not only covers theoretical aspects, but also offers practical tasks that will help readers consolidate the knowledge they have gained. Sergey Mikhailovich Borovikov is a well-known Russian scientist and teacher who devoted his career to training students and developing teaching materials. His works are distinguished by their accessibility and practical orientation, which makes them especially valuable for students of technical specialties. In this manual, the author uses his own unique style, which combines scientific rigor and intelligibility, which allows even the most complex concepts to become accessible to perception. The book is intended for students studying in specialties related to technical security and modeling . It will be useful for both beginners and more experienced students who want to refresh their knowledge or deepen their understanding of applied mathematics. The manual can be of interest not only to students, but also to teachers who are looking for quality materials for their courses, as well as to anyone who is interested in mathematical methods in engineering and science. In Applied Mathematics, Borovikov raises many relevant topics such as mathematical modeling, data analysis, optimization techniques, and statistical approaches.. Each chapter of the book is structured in such a way that the reader can not only learn the theory, but also apply it in practice. This makes the manual particularly valuable in an environment where applied skills are becoming increasingly in demand in the labor market. One of the key features of the book is its practical focus. Borovikov offers many tasks and examples that help students not only to understand how to apply mathematical methods, but also to see their real meaning in various fields. This is especially important for future security professionals, where mathematical models can play a crucial role in risk analysis and the development of effective protection strategies. In addition, the manual contains sections devoted to modern information technologies and their interaction with mathematical methods. With the rapid development of technologies such as artificial intelligence and big data, knowledge of applied mathematics becomes not only useful, but necessary. Borovikov focuses on how mathematics can help solve practical problems related to the modeling and analysis of complex systems. The book "Applied Mathematics" will be an excellent assistant for students who seek not only to gain theoretical knowledge, but also to learn how to apply them in real situations. It will help develop critical thinking, learn how to analyze data and make informed decisions, which is an important skill in any professional field. If you are looking for literature that will help you master applied mathematics and its application in modern technologies, the manual of Sergei Mikhailovich Borovikov will become your reliable companion in this fascinating and important journey. Do not miss the opportunity to deepen your knowledge and prepare for a successful career in technical security and modeling!