Fedasyuk, D.Yakovyna, V.Serdyuk, P.Nytrebych, O.2014-10-152014-10-152014Variables state-based software usage model / D. Fedasyuk, V. Yakovyna, P. Serdyuk, O. Nytrebych // Econtechmod : an international quarterly journal on economics in technology, new technologies and modelling processes. – Lublin ; Rzeszow, 2014. – Volum 3, number 2. – P. 15–20. – Bibliography: 24 titles.https://ena.lpnu.ua/handle/ntb/24550This article describes a new mathematical software usage model, which includes the effect of the set of global and external variables values for further analysis of multi-test scenarios to improve the effectiveness of the testing software. This model is represented as a graph of transitions and a set of variables with respective sets of equivalence classes. The proposed approach is particularly relevant for computational algorithms with complex logic.ensoftware testing processusage modeltest scenariosoftware reliabilityArticle