Check out the following sites:

http://http.ee.queensu.ca:8000/www/dept/courses/elec221/pspice.htm

or

http://www.winsite.com/info/pc/win3/util/aimspice.zip/index.html
for program

or

http://www.tu-harburg.de/et1/emv/et1kb/download.html
for program

Hope this helps

Bye for Now

Eric Naus

At 10:37 AM 11/5/97 +1000, you wrote:
>Has anyone got any links to how SPICE modelling works.
>
>Just out of curiosity I would like to find out it can transform
>component and circuit nodes into a matrix of some form. Also, how
>Kirchoffs, Thevenins laws can be applied to the resulting data.
>
>It's very intriguing, and a big problem, no doubt.
>
>Tony
>
>
>Just when I thought I knew it all,
>I learned that I didn't.
>