Maca

You're already been helped here http://www.electro-tech-online.com/robotics-chat/30237-multisim.html

Guy, Do you need to own a company to get free samples? What do I fill in for company field? Edit : Ok, I ordered using my college name

Comodo firewall. http://www.comodogroup.com/

Yeah, thanks!

I'm having trouble seeing how both of these are equal. 1/(1+1/jwCR) = 1/(1-jWp/W) where wP = 1/CR I just can't figure out where that minus came from? Can anyone explain this please?

I second this. The dummies selection is a perfect place to start, for every subject you want to learn in your spare time. ( Easy to understand and progress at a steady rate.)