The book is devoted to the analysis of handwriting. The author considers the problem at the junction of a wide range of disciplines - psychology, medicine, forensics, touches upon issues of diagnostics, forensic handwriting, etc. But the main attention is directed to the psychology of handwriting. At the same time, the main goal of the author is to show how the process of analyzing handwriting and its interpretation can be formalized and enriched using modern computer technologies and mathematical modeling. This makes the book special, distinguishes it from other publications on this topic. The publication is addressed to professional handwriters; specialists of related professions using the results of handwriting analysis - psychologists, HR managers, historians, etc., as well as amateurs who want to get an idea of ​ ​ the modern approach to handwriting analysis.