Japanese manufacturer of consumer electronics, business equipment, clocks, musical instruments, cameras, and electronic dictionaries.
December: 1954 First prototype of all-electric compact calculator (relay model) completed
June 1957: Marketing the world’ s first compact all-electric calculator, Casio 14-AO and establishing Casio Computer Co., Ltd. – History of Casio
“The BT-9100’s solid cabinet design is built around a high resolution 15″ TFT flat panel display to emphasize minimum space requirements”
(I just remembered my Casio Calculator which was my trusted Helper for a long time. Hence this post. – delabs)
History of Calculators