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
Peavey Electronics Peavey Electronics Peavey Electronics Corporation is an American company that designs, develops, manufactures and markets professional audio equipment. It is one of the largest audio equipment manufacturers in the world, headquartered in Meridian, Mississippi. Hartley Peavey founded Peavey Electronics, one of the world's largest manufacturers and suppliers of musical and professional audio equipment, in 1965, having built his first amplifier in 1957. Since its foundation, Peavey Electronics has been privately owned, and has grown from their humble beginnings in Hartley's basement in the 1950s. In 2011, "Inc." magazine profiled the global success story of music and audio innovator Hartley Peavey