StaTool - Statistics and Probability Tools for Windows - Hypothesis testing (left side, two sided, right side) - Confidence interval estimation. - Probability distributions. - One variable statistics. - Two variables statistics. - Total Probability Law and Bayes' Theorem. - Probability of A and B events. - Graphics: scatter plot, regression curve, bar and histogram charts. - Distributions: Normal, t-Student, Chi-Square, F-Snedecor, Binomial, Poisson. - Regression analysis: Linear, Logarithmic, Exponential, Power, Quadratic. Easy and fast to use. User's manual in PDF format.