This book and software package presents a unified approach for doing mathematical statistics with Mathematica. The mathStatica software empowers users to easily solve difficult problems and tackle tricky multivariate distributions, generating functions, inversion theorems, symbolic maximum likelihood estimation, and unbiased estimation. An ideal companion for researchers and students in statistics, econometrics, engineering, physics, psychometrics, economics, finance, biometrics and the social sciences. The package includes 2 cross-platform CDs containing mathStatica: the Application Pack for mathematical statistics, an interactive version of the book, and a trial version of Mathematica 4.1.