Statistica is easy-to-use statistical data processing program. Statistica has a very simple, graphical user interface that provides access to a wide range of powerful and flexible statistical tools. Statistical features: Basic statistics:descriptive statistics,normality tests, T-Test/Pagurova Criterion/G-Criterion,Fisher F-test, correlation coefficients (Pearson,Fechner),covariation ANOVA (MANOVA) Nonparametric statistics:2x2 Tables Analysis (Chi-square, Yates Chi-square, Exact Fisher Test, etc.), rank correlations (Kendall Tau, Spearman R, etc.), comparing independent samples (Mann-Whitney U Test, Kolmogorov-Smirnov test, Wald-Wolfowitz Runs Test, Rosenbaum Criterion, Kruskal-Wallis ANOVA, median test) comparing dependent samples (Wilcoxon Matched Pairs Test, Sign Test, Friedman ANOVA, Kendall