At uni, one of my physics profs allowed us to bring our own cheat sheet into exams. The point wasn't to cram it full of everything in super tiny writing, but t

At uni, one of my physics profs allowed us to bring our own cheat sheet into exams. The point wasn't to cram it full of everything in super tiny writing, but to think about what should go on it and how to organize it. The thought process makes a bigger difference than having the cheat sheet.