This is what is called a “Cheat Sheet”
I was cleaning up the trash I accumulated over the years since coming here for Masters in 2001. I came across this cheat sheet which I used for one of the exams during Fall 2001, the first semester at ASU. We were allowed to take 8 ½ x 11 sheet, where you can write anything you want on both sides. I was amazed at how much I could cram into one sheet of paper. See these photos to believe.