[WORLDKINGS] The Constant World Records Seeking Journey (P.150) Casio Comnputer: World's first compact all-electric calculator manufacturer

08-06-2021

(WorldKings.org) Casio Computer Co., Ltd. is a Japanese multinational electronics manufacturing company headquartered in Shibuya, Tokyo, Japan. Its products include calculators, mobile phones, digital cameras, electronic musical instruments, and analogue and digital watches. It introduced the world's first entirely electric compact calculator in 1957.