> So, before I get really irritated and just write one myself, I figured 
> I'd ask if there was a tool which already exists that is a) simple to 
> use and b) works for the most common math tasks that an EE does.
>
> Ideas?
>
> -forrest
>   
I really like to use my HP calculator

There are some people that has developed a simulator and even solutions 
for many areas. I really recommend to take a look.

http://www.hpcalc.org/

Hans
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