![Casio - Biolator H-801 - - Vintage calculator - Casio Biolator H801 - Casio.ledudu.com - Casio pocket computer, calculator, game and watch library. - RETRO CALCULATOR FX PB SF LC SL HP FA Casio - Biolator H-801 - - Vintage calculator - Casio Biolator H801 - Casio.ledudu.com - Casio pocket computer, calculator, game and watch library. - RETRO CALCULATOR FX PB SF LC SL HP FA](https://www.ledudu.com/images/calculs/casio/machines/biolatorH801.jpg)
Casio - Biolator H-801 - - Vintage calculator - Casio Biolator H801 - Casio.ledudu.com - Casio pocket computer, calculator, game and watch library. - RETRO CALCULATOR FX PB SF LC SL HP FA
Casio - Biolator H-801 - - Vintage calculator - Casio Biolator H801 - Casio.ledudu.com - Casio pocket computer, calculator, game and watch library. - RETRO CALCULATOR FX PB SF LC SL HP FA
![File:Vintage Casio Biolator Pocket LED Calculator, Model H-801, Made in Japan, Circa 1975 (9273200144).jpg - Wikimedia Commons File:Vintage Casio Biolator Pocket LED Calculator, Model H-801, Made in Japan, Circa 1975 (9273200144).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/thumb/3/30/Vintage_Casio_Biolator_Pocket_LED_Calculator%2C_Model_H-801%2C_Made_in_Japan%2C_Circa_1975_%289273200144%29.jpg/1200px-Vintage_Casio_Biolator_Pocket_LED_Calculator%2C_Model_H-801%2C_Made_in_Japan%2C_Circa_1975_%289273200144%29.jpg)