"No, no, no. Help me, I need lined/graph paper for my homework assignment."
"Whens it due, my child?"
"Tomorrow!"
"Behold"
iPrintPaper simply prints paper.
Lined, graph, isometric, left-handed, handwriting ruled and a few types of music ruled. Select your paper, select your AirPrint printer and get on with your work.
Also available - free papers on the iPhone app.