Twenty-seven years after introducing the world’s first graphing calculator, Casio has developed its most sophisticated educational Game Boy ever. Indeed, the new Casio fx-CP400’s 320×528 resolution screen isn’t just colour — it’s a freaking touchscreen that flips from vertical to horizontal. That’s a far cry from the drab 94×64 display on the the Casio fx-7000G from 1985.
You Won't Believe How Much Graphing Calculators Have Changed
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