The only permission it takes is to allow it to record videos and take photos as it scans math problems. This has to be my favorite app to ever exist, it has taught me more than my teachers, definitely recommended, at all questions one by one, which takes a lot of time, love the app but please add that.
I can now use this app to see how I can solve stuff. It also have other books solutions, really helps, it works for all math classes. The first one i use was All in one calculator but i need to watch ads to refill and i hated that.