On Sat, 17 Oct 2009 22:16:51 +0100, Orchid XP v8 wrote:

> There are OSS packages that do symbolic calculations. And then there's
> Mathematica. Hypothetically, you can take an OSS package and "fix" it to
> be Mathematica. But unless you have a few million dollars to invest in
> R&D... good luck with that one. ;-)

Not really a case of "the exception proves the rule", though.  There's 
plenty of decent OSS software out there that competes with proprietary 
software and does very well.

Jim

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