Hi ... what a title...

I really need a program for designing and simulating logic circuits. (ie. sequential, (a)synchronous digital logic)

I have only seen logicWorks and a couple other applications.. but they are all +400$. and are for industrial use.. (meaning: way to hard for me to figure out )

I am a student and my needs for complexity is not huge.. just design and test circuits with 2-15 gates tops. truthtables with 4-5 inputs and so on.

Please help so I dont have to use the PCs at UNI ... and so I wont be the only one in the class who hands in papers with crummy hand-drawn circuits :headphone

Thanks for any help given..

Ps. 50$ would be what I can max spend