So...to those asking about A level calculators. Our school forced us to get this model, the fx-cg50. It is expensive but incredible what can be done on it. Other games include Tetris
OoA] Everybody gangsta till the nerd with the Casio fx-CG50 pulls out Oracle of Ages (and any Zelda game on GameBoy Color for that matter). : r/zelda
How to play Gameboy games on your CALCULATOR! (FX-CG50/20) - YouTube
Casio Graph 90+E (fx-CG50) - Prizoop [Game Boy Color emulator] test - Super Mario Bros - YouTube
Programmer gets Doom working in full color 17FPS on a Casio calculator | Shacknews
Just received my Casio fx-CG50! : r/calculators
How to put games on your Casio FX-CG-20 calculator tutorial - YouTube