From simple calculator operations to large-scale programming and interactive document preparation, Mathematica is the tool of choice at the frontiers of scientific research, in engineering analysis and modeling, in technical education from high school to graduate school, and wherever quantitative methods are used. New in Mathematica 5.2 Tour of Features New in Mathematica 5.1 Why choose Mathematica? New in Mathematica 5.0 User Experiences Key Elements Reviews