In line with this change, is much larger, the latest version includes new and revised chapters on numerics, procedural, rule-based, and front-end programming, and provide significant coverage of the latest features up to, and including, Mathematica 5.1 Mathematica notebooks, available from www.cambridge.org/0521846781, contains examples, programs, and solutions for the exercises in this book. This is an ideal text for all scientific students, researchers, and programmers who want to deepen their understanding of Mathematica, or even they want to program using an interactive language that contains programming paradigm from all major programming languages: procedural, functional, recursive, rule-based and object-oriented.