Where the men are men.
The women are men.
And the 13 year old girls are cops.
Who are alo men...
Pen and paper for diagrams.
Notebook/netbook for plain text.
Convert your hand-drawn diagrams later, using a scanner or re-draw using a graphics tablet after class.
I did exactly that "back in my day" using a Jornada 680. It worked great.
This restaurant was advertising breakfast any time. So I ordered french toast in the renaissance. - Steven Wright, comedian