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From: Robert Dewar <robert_dewar@my-deja.com>
Subject: Re: Scientific calculations (was Re: Ada vs Delphi? )
Date: 1999/08/11
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In article <rr2f32q3krl93@corp.supernews.com>,
  "Vladimir Olensky" <vladimir_olensky@yahoo.com> wrote:
> My favorite one is MathCad Professional.  It can do almost
everything
> including powerful symbolic calculations (very powerful AI
feature) and it's
> own programming as well as visualisation of the results using
OpenGL. There
> are many additional specialized packages for it as well as
electronic books.
> It also allows you to add your own DLL libraries if you want
to add
> something that does not exist (very unlikely).
> What is most important all your calculations are done in a
"human" notation,
> the same as you do it on the paper.

Mathcad and similar tools are indeed very useful, but to think
that they replace conventional programming languages for
"scientific programming" in general shows a lack of knowledge
of the field. I can promise you that the complex codes used
for semi-empirical approaches for solution of the general
Schrodinger equation in computational chemistry
applications (to compute total energies) are NOT done using
tools like this. I just take
one example (from my father's work -- MINDO3), but anyone in
the field can supply lots more examples.


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