Make it possible to insert a screen shot... this is especially helpful when typing notes.
you can also print your notes out
you can take a screenshot by pressing shift+command+3
Iris Boom commented
Excuse me, but you CAN insert a screen shot. As a student I do this all the time. I use my Snipping Tool and then click the "Copy" button to copy as a picture. Is this what you mean?
you can screen shot