File:Vintage Casio Mini Electronic Pocket Calculator, Model CM-605, 6 Digit Bue VFD, Made in Japan, Circa 1974 (11972293654).jpg - Wikimedia Commons
Casio Mini
Casio - Pocket Mini P-810 - - Vintage calculator - Casio Pocket Mini P810 - Casio.ledudu.com - Casio pocket computer, calculator, game and watch library. - RETRO CALCULATOR FX PB SF LC SL HP FA