This DVD features Mathematica creator Stephen Wolfram demonstrating his award-winning software on a Macintosh llx. Wolfram energetically leads the viewer through a variety of numerical calculations, algebraic calculations, and graphical renderings. He concludes with a discussion of programming in the language of Mathematica. Throughout the DVD, the computer screen is clearly displayed, showing the graphics in color and the commands in large, bold type for easy reading. The DVD will serve as a brief survey of the capabilities of this revolutionary mathematical software.