The Wolfram Group consists of four companies: Wolfram Research Inc., Wolfram Media Inc., Wolfram Research Europe Ltd. in the United Kingdom and Wolfram Research Asia Ltd. in Japan. The founder and CEO is Stephen Wolfram, who maintains close involvement with the company.

Wolfram Research, whose mission is pushing the envelope of technical computing , produces Mathematica, a programming and calculation environment for technical computing. Wolfram continues to be involved with Mathematica and is listed as the author of its manual, The Mathematica Book . Wolfram Research s headquarters are in Champaign, Illinois although it maintains a special projects office in Boston.

Wolfram Research also pays Eric W. Weisstein to work on his math encyclopedia MathWorld , which is hosted at the company s web site.

Wolfram Media published Stephen Wolfram s book, A New Kind of Science .

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