Found a Secret Sender 6000 in the attic. I didn't even know we had one back in the day. Has a bunch of features, plus an IR port for sending messages or
Les pas perdus ...
fx-991EX | Black Scientific Calculator | CASIO
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CASIO FX-6000G – Le Rayon des Calculatrices
www.casio-calculator.com Casio 001
Ernst Mulder's Calculator Museum
Casio - fx-6000G - - Graphic calculator - Casio fx6000G - Casio.ledudu.com - Casio pocket computer, calculator, game and watch library. - RETRO CALCULATOR FX PB SF LC SL HP FA
Buy Casio FX-82MS-C74 2nd Addition Scientific Calculator for Education with 2 Line Display & Multiple Replay Online At Price ₹569
1980)s - One of the weirdest ads ever, a calculator/lighter combo, the Casio QL-10, from the 1980s (and no, I'm not making it up, this was actually a thing) : r/TheWayWeWere