In Asia, their high school exam calculator has no graphics calculating capabability. Vast majority of questions doable with just pen and paper and loga book without needing calculator. Heck I even heard of students having broken calculator in exam and still come out scoring A. BTW, the examinable math there are near not doable by western students until they are in their 2nd or 3rd year engineering uni/college. Everytime I see those 15-18 year olds doing math in western hemisphere tapping their fancy 200usd calculators, I always chuckle knowing they would ended up buying stuff from China and Korea with all their math done already for them. And they complained jobs being outsourced...while they actively pursue gender studies.