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 In certain contexts such as higher education, scientific calculators have been superseded by graphing calculators, which offer a superset of scientific calculator functionality along with the ability to graph input data and write and store programs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
Digital Compact Cassette and Compact Disc) while Philips decided on a tape format that was compatible with their earlier analog Compact Cassette format. DCC, initially referred to as S-DAT (stationary-head digital audio tape, as opposed to R-DAT—rotary-head digital audio tape), was developed in cooperation with Matsushita, and the first DCC recorders, were introduced at the CES in Chicago in May, 1992 and the consumer electronics show in Amsterdam in September 1992. At that time, not only Philips and Technics (brand of Matsushita) announced DCC recorders but also other brands such as Grundig and Marantz (both related to Philips at the time). More recorders