Scientific calculator was the first company to produce one (Casio fx-7000G). Scientific calculator A scientific calculator is a type of electronic calculator, usually but not always handheld, designed to calculate problems in science, engineering, and mathematics. They have almost completely replaced slide rules in traditional applications, and are widely used in both education and professional settings. In certain contexts such as higher education, scientific calculators have been superseded by graphing calculators, which offer a superset of scientific calculator functionality along with the ability to graph input data and write and store programs for the device. There is also some overlap with the
Vestax Vestax The Vestax Corporation was a Japanese musical instrument, turntable and audio equipment firm founded by Hidesato Shiino in 1977. The company started by designing and manufacturing electronic guitars. In the 1980s, Vestax produced multitracks recorders and later move to making DJ mixers, professional turntables, compact disc players and signal processors. Debt troubles lead to the company's bankruptcy at the end of 2014. The Vestax Corporation of Japan began in 1977 as a designer and manufacturer of electronic guitars. In the 1980s Vestax introduced a series of cassette-based multitracks, including the Vestax MR66, to challenge established products from Fostex, Yamaha