The book “Linear Algebra in the Theory of Equalization of Measurements” by Nikolai Drozdov is a fascinating and in-depth study that opens the door for readers to the world of linear algebra and its application in the field of measurements. This work is not only useful for students and teachers, but will also be a real discovery for anyone interested in mathematics and its practical aspects. In this book, the author examines in detail the basic concepts of linear algebra, such as vectors, matrices, linear transformations and systems of equations. However, Drozdov is not limited to only theoretical aspects. It masterfully shows how these mathematical tools can be used to solve real-world measurement problems, making the material particularly relevant to engineers, physicists, and data scientists. The reader who opens this book will find in it not only theoretical calculations, but also a lot of practical examples that will help to better understand how to apply linear algebra in various fields. The author uses an accessible and visual language, which makes complex concepts more understandable even for those who do not have deep knowledge in mathematics. This makes the book attractive to a wide audience: from senior students to professionals who want to refresh their knowledge or master new approaches in their work. The topics raised in the book cover not only the basics of linear algebra, but also more complex aspects such as optimization techniques and algorithms that can be used to improve measurement accuracy. Drozdov emphasizes the importance of the correct choice of mathematical models and methods, which allows readers to realize how critical it is to apply linear algebra in the context of real-world problems. The style of Nikolai Drozdov is clear and logical . He skillfully combines theory with practice, which allows the reader not only to assimilate the material, but also to apply it in practice. His previous works, such as Mathematical Methods in Engineering and Algebra and Geometry for Engineers, have already established themselves as valuable sources of knowledge in mathematics. In this book, the author continues to develop his ideas, offering readers new views on familiar topics. The book “Linear Algebra in the Theory of Measurement Equations” will be of particular interest to those who are fond of mathematics, engineering, physics and statistics. It will be an excellent addition to the study materials for technical students, as well as a useful resource for teachers seeking to enrich their courses with new examples and approaches. If you are looking for literature that will help you not only understand linear algebra, but also see its practical application in real life, then this book is exactly what you need. It will inspire you to new discoveries and help you develop the analytical thinking you need to solve complex problems. Do not miss the opportunity to immerse yourself in the world of linear algebra together with Nikolai Drozdov and discover new horizons of knowledge!