Casio Graph 90+E (fx-CG50) - Prizoop [Game Boy Color emulator] test - Super Mario Bros - YouTube
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
How to play Gameboy games on your CALCULATOR! (FX-CG50/20) - YouTube
First Look - New Casio FX-CG50 Colour Graphic Calculator - Key features & Modes Graphing CG50 - YouTube
Casio CFX 9850GB Plus Graphing Calculator for sale online | eBay