Calculator watch financial functions (in the Casio CBA-10). Usually calculator watch operates with eight digits number, however, calculator watch can operate with 6 digits (for example, Casio C-801) or 10 digits (Casio CBA-10) numbers. Calculator watches first appeared in the mid 1970s introduced by Pulsar (1975, then a brand of the Hamilton Watch Company) and Hewlett Packard. Several watch manufacturers have made calculator watches over the years, such as Pulsar and Timex, but the Japanese electronics company Casio produced the largest variety of models. In the mid-1980s, Casio created the Databank calculator watch, which not only performed calculator functions, but also stored
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