Casio - CQ-1 Brown - - Vintage calculator - Casio CQ1 Brown - Casio.ledudu.com - Casio pocket computer, calculator, game and watch library. - RETRO CALCULATOR FX PB SF LC SL HP FA
Vintage Casio CQ1 space age calculator timer - YouTube
VINTAGE CASIO CQ-1 Computerized Quartz Calculator No AC Adapter | eBay