[AM] In the comp.lang.tcl newsgroup cuneyt announced the following:

At the following website you'll find a software called EasyNumerics. 

http://users.metu.edu.tr/csert/EasyNumerics/index.html

It is written in pure Tcl/Tk. I developed it to use in my numerical 
methods course as a teaching tool. It is designed to be used in a 
typical undergraduate level numerical methods course for engineers. It 
can solve problems about 

   * Root Finding 
   * Solution of Linear Algebraic Equations 
   * Optimization 
   * Curve Fitting 
   * Numerical Differentiation & Integration 
   * Solution of ODEs 

If you are also interested in doing math with Tcl/Tk, please feel free 
to download and use it. It is only tested by myself and my students, so 
I am sure there are many bugs in it, but still it can do quite a lot of 
things. 

I will be very very happy to hear your feedback. If you have any 
suggestions or any feature that you think will improve the software, 
please let me know. 

[http://users.metu.edu.tr/csert/EasyNumerics/screenshots/RootFinding.jpg]

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[AM] In a follow-up post, the author posted this reference:
https://peer.asee.org/a-tutor-program-for-a-numerical-methods-course-for-engineers.pdf to a paper describing
the software.

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[RMG] Why can't I get to the link above? Does anyone else have this software
so I might procure a copy for Windows XP?

The link is working OK. Maybe some temporary problems with the server. Send me an email at cuneytATmeDOTmetuDOTeduDOTtr and I can send you the source. Cuneyt Sert

[AM] (19 january 2011) The project has recently been put here: http://code.google.com/p/easynumerics/
(I have not found the paper though)

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[uniquename] 2013sep17 - In 2013, downloads for Windows and Linux versions were still here:
http://www.metu.edu.tr/~csert/EasyNumerics/download.html

Also see:

http://www.mathyards.com/hnd/page3.html

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