Guy Leech en Twitter: "It lives! This @Casio fx-4000P programmable calculator was bought for me by my late Dad's company as payment for writing some software (in compiled BASIC) for them whilst I was a student. 1985 or thereabouts https://t.co ...
Casio fx-4000P (1985) - Casio - LastDodo
Casio - fx-4000p - - Scientific calculator - Casio fx4000p - Casio.ledudu.com - Casio pocket computer, calculator, game and watch library. - RETRO CALCULATOR FX PB SF LC SL HP FA
CASIO fx-4000P Taschenrechner Uni Abi Schule Calculator 80er in Nordrhein-Westfalen - Wassenberg | eBay Kleinanzeigen