Casio College FX-80 pocket scientific electronic calculator, circa Photo d'actualité - Getty Images

Casio College FX-80 pocket scientific electronic calculator, circa 1982. Obtenez des photos d'actualité haute résolution de qualité sur Getty Images

Casio College FX-80 pocket scientific electronic calculator, circa News Photo - Getty Images

Casio College FX-80 pocket scientific electronic calculator, circa News Photo - Getty Images

Casio College FX-80 pocket scientific electronic calculator, circa News Photo - Getty Images

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Casio Computer Co., Ltd. Casio pocket-sized scientific calculator FX-290-N (199-function display two lines) FX-290-N (japan import)

Casio calculator hi-res stock photography and images - Alamy

Casio FX-300 Scientific Calculator Pocket Calculator LCD Solar Cell Vintage

Casio calculator hi-res stock photography and images - Alamy

Virtual Museum of Calculators

Virtual Museum of Calculators

Casio College FX-80 pocket scientific electronic calculator, circa News Photo - Getty Images

Casio College FX-80 pocket scientific electronic calculator, circa News Photo - Getty Images

1,366 Casio Photos Stock Photos, High-Res Pictures, and Images - Getty Images