Casio (1s, 10s, 100s, etc ... ) had nine keys. Another distinguishing innovation was the use of a single display window instead of the three display windows (one for each argument and one for the answer) used in other calculators. Casio Computer Co., Ltd. was formed in June 1957. That year, Casio released the Model 14-A, sold for 485,000 yen, the world's first all-electric compact calculator, which was based on relay technology. In the 1980s, its budget electronic instruments and its line of affordable home electronic musical keyboard instruments became popular. The company also became well known for the wide variety
Rogers Vacuum Tube Company founded Toronto radio station CFRB in order to promote its invention of a batteryless radio receiver as well as demonstrate his invention of a radio transmitter using batteryless alternating current tubes making CFRB the first all-electric radio station in the world. Rogers Sr. died in 1939 and the company was sold in 1941 to Small Electric Motors Ltd., (which soon became the Canadian division of Dutch giant Royal Philips Electronics) which changed the name of the Rogers Majestic Corporation Limited to Standard Radio Ltd... In 1924 Edward S. Rogers Sr formed Rogers Radio Ltd of Toronto to manufacture radios. While