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![Wolfram Library Archive](/images/database/subheader.gif)
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![](/common/images/spacer.gif) Program Announcements: Crystals, Gamma Algebra, and More
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![](/common/images/spacer.gif) GaAs(110) Crystal Structure Package by Alastair McLean Tracer: Gamma Algebra in Arbitrary Dimensions by Matthias Jamin and Markus Lautenbacher MathTensor, Version 2.0 by MathSolutions, Inc.; The Mathematica Help Stack, Version 2 by Variable Symbols, Inc.
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![](/common/images/spacer.gif) Announcement of new Mathematica packages for solid-state crystallography, gamma algebra, tensor analysis, and a new version of the Mathematica Help Stack for HyperCard.
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