Mathematica is a computational software program used widely in scientific, engineering, and mathematical fields and other areas of technical computing.
It was originally conceived by Stephen Wolfram and developed by a team of mathematicians and programmers that he assembled and led. It is developed by Wolfram Research of Champaign, Illinois.
This file can be viewed using the free Mathematica Player. Rather than just a reader, like Acrobat Reader, or a thin runtime, like Flash Player, Mathematica Player has the full Mathematica engine embedded right there--ready to make documents come alive or to power applets.