The book is intended for users of the computer complex and can be useful both for beginners who have no experience in using software for strength analysis of structures, and for those who are well acquainted with such programs and have experience with the complex. All aspects of data preparation in the mode of graphic dialogue, calculation, analysis and documentation of results, as well as the peculiarities of using calculation and designing post-processors are consistently considered. Minimal theoretical information is provided to help better understand the implemented calculation methods. The book may be of interest to students of relevant specialties and developers of similar programs.