The Casio FX-850p Pocket Computer circa 1987, upgraded to 16k so that you can compute anything anywhere anytime! (portable week) : r/retrobattlestations
Casio FX-850P (1987) - Casio - LastDodo
CASIO FX 850P | Rivendel Citizen | Flickr
Cleaning and trying out a Casio FX-850P pocket computer - YouTube
CASIO
Another calculator, Casio FX-850P - I still use it today : r/vintagecomputing
Casio FX-850P - TheCalculatorStore
Casio fx 850p | Milanuncios
Service Manual & Part List - Casio FX 850p - 1987 | PDF | Random Access Memory | Integrated Circuit
Casio - FX-850p - - Pocket computer - Casio FX850p - Casio.ledudu.com - Casio pocket computer, calculator, game and watch library. - RETRO CALCULATOR FX PB SF LC SL HP FA