Mathematical Methods and Information Technology . Conference. 2019”, created by a team of authors, is a unique collection of scientific articles and reports presented at the conference of the same name . This publication will become an indispensable source of information for students, graduate students, teachers and researchers interested in modern mathematical methods and their application in information technologies. The book contains works that cover a wide range of topics related to mathematical modeling, data processing algorithms, information theory and many other aspects that are becoming increasingly relevant in the context of the rapid development of technology. Each article is not just a set of theoretical calculations, but the result of in-depth research and practical experience of the authors, which makes the material especially valuable for those who want not only to study, but also to apply the knowledge gained in practice. Who is this book for? It will be interesting not only for students and graduate students of technical and mathematical specialties, but also for IT practitioners, engineers and software developers . If you are passionate about mathematics, programming, data analysis or just want to expand your knowledge in the field of modern technologies, this publication will be a real find for you. The topics raised in the book cover important aspects such as the application of mathematical methods in economics, bioinformatics, physics, and other sciences. The authors discuss how mathematical models can help solve real-world problems, such as process optimization, forecasting, and big data analysis. This makes the book particularly relevant in light of the contemporary challenges faced by scientists and practitioners in various fields. The style of the authors is characterized by high scientific rigor, but at the same time they strive to make the material accessible and understandable to a wide audience. This allows readers not only to immerse themselves in complex mathematical concepts, but also to see their practical application. The team of authors includes both experienced scientists and young researchers, which gives the book freshness and relevance. If you are looking for literature that will help you to understand modern mathematical approaches and their application in information technology, "Mathematical methods and information technology tools . Conference. 2019" is exactly what you need. The book will not only expand your knowledge, but also inspire new ideas and projects. In conclusion, it is worth noting that this publication is not just a collection of articles, but a whole platform for the exchange of knowledge and ideas. It opens new horizons for researchers and practitioners seeking innovation and improvement in their field. Do not miss the opportunity to touch the modern achievements of science and technology, which can become the basis for your future success.