This article is devoted to creation of the software product «GrafPocherk « (on D.V. Myasnikova method) which allows the expert-handwriting expert to receive the complex analysis of the identity of the writing. The social and psychological portrait is presented through 250 features of handwriting and 50 scales containing various estimates depending on a feature set, shown in handwriting and the signature. Seven blocks of scales for multiple-factor diagnostics of a social and psychological portrait of the personality are offered: (1) type of nervous system (temperament), (2) type of thinking and mental capacities, (3) physiological properties and activity, (4)behavior in society, (5) the purpose, values and the relation to money, (6) the relation to work, (7) tendency to leading activity. The developed «GrafPocherk» software product allows not only reducing time of the analysis of handwriting, but also considerably to accelerate work of the expert-handwriting expert on portrait writing. Monotonous work of the handwriting expert on search of correlations, repetitions of signs, distribution of signs on scales is quite often accompanied by a large number of mistakes which involve emergence of «noise», inaccuracies in a total portrait of the personality. This technique allows to simplify considerably work of the expert-handwriting expert who by drawing up a text social and psychological portrait writing, now it can lean on 50 scales digitized by the program «GrafPocherk» characterizing the personality.