Probabilities package is a selection of probabilities functions: PDF, CDF and Inverse CDF for 19 different distributions (binomial, Geometric, hypergeometric, Negative binomial, Poisson, discrete uniform , beta, Cauchy, chi-squared, exponential, F, gamma, Maxwell, normal, Pareto, Rayleigh, Student (T), Continuous uniform, Weibull....). The package also includes a Math unit, which can serve as a replacement for default Delphi Math unit.