![File:Vintage Casio Computer Quartz CQ-1 Electronic Pocket Calculator, Made in Japan, Circa 1975 (11574678186).jpg - Wikimedia Commons File:Vintage Casio Computer Quartz CQ-1 Electronic Pocket Calculator, Made in Japan, Circa 1975 (11574678186).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/d/db/Vintage_Casio_Computer_Quartz_CQ-1_Electronic_Pocket_Calculator%2C_Made_in_Japan%2C_Circa_1975_%2811574678186%29.jpg)
File:Vintage Casio Computer Quartz CQ-1 Electronic Pocket Calculator, Made in Japan, Circa 1975 (11574678186).jpg - Wikimedia Commons
![VINTAGE CASIO COMPUTER QUARTZ CQ-1 CALCULATOR / TIMER / CLOCK | Collectables | Gumtree Australia Brisbane South East - Carindale | 1309885470 VINTAGE CASIO COMPUTER QUARTZ CQ-1 CALCULATOR / TIMER / CLOCK | Collectables | Gumtree Australia Brisbane South East - Carindale | 1309885470](https://gumtreeau-res.cloudinary.com/image/private/t_$_20/gumtree/b5cc4bee-d45b-407e-96dc-9771a723ff8b.jpg)
VINTAGE CASIO COMPUTER QUARTZ CQ-1 CALCULATOR / TIMER / CLOCK | Collectables | Gumtree Australia Brisbane South East - Carindale | 1309885470
![Casio - CQ-1 Yellow - - Vintage calculator - Casio CQ1 Yellow - Casio.ledudu.com - Casio pocket computer, calculator, game and watch library. - RETRO CALCULATOR FX PB SF LC SL HP FA Casio - CQ-1 Yellow - - Vintage calculator - Casio CQ1 Yellow - Casio.ledudu.com - Casio pocket computer, calculator, game and watch library. - RETRO CALCULATOR FX PB SF LC SL HP FA](https://casio.ledudu.com/images/calculs/casio/machines/cq1yellow_obl.jpg)
Casio - CQ-1 Yellow - - Vintage calculator - Casio CQ1 Yellow - Casio.ledudu.com - Casio pocket computer, calculator, game and watch library. - RETRO CALCULATOR FX PB SF LC SL HP FA
![Casio - CQ-1 Yellow - - Vintage calculator - Casio CQ1 Yellow - Casio.ledudu.com - Casio pocket computer, calculator, game and watch library. - RETRO CALCULATOR FX PB SF LC SL HP FA Casio - CQ-1 Yellow - - Vintage calculator - Casio CQ1 Yellow - Casio.ledudu.com - Casio pocket computer, calculator, game and watch library. - RETRO CALCULATOR FX PB SF LC SL HP FA](https://casio.ledudu.com/images/calculs/casio/machines/zoom/cq1yellow.jpg)