26 mayo 1985 año - Graphing Calculator
Descripción:
By the mid-1980s, Casio was vying with Sharp, Texas and HP for dominance of the calculator market and it was they who developed the world's first graphing calculator, the Casio fx-7000G in 1985.
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fecha:
26 mayo 1985 año
Ahora mismo
~ 38 years ago