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Re: Debian packages similar to mathematica or mathlab ?



On 2005-02-01 23:25:50 +0100, Gerard Robin wrote:
> bc works with the expression (bc -l)
> 
> (17^2-5^3)/(17+3*2^3)*((18^2/9^2+(13-4*3^2/6)^2-2*(8^2-2*3*7)+1))/5
>                                           ^ 
>                                      : was a typo

It works, but if you want full confidence, you need to prove it,
because there could be rounding errors (such as in Rump's polynomial).
With software that can work on rational arithmetic (for instance),
you don't need to prove anything: you get the exact result.

-- 
Vincent Lefèvre <vincent@vinc17.org> - Web: <http://www.vinc17.org/>
100% accessible validated (X)HTML - Blog: <http://www.vinc17.org/blog/>
Work: CR INRIA - computer arithmetic / SPACES project at LORIA



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