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 In certain contexts such as higher education, scientific calculators have been superseded by graphing calculators, which offer a superset of scientific calculator functionality along with the ability to graph input data and write and store programs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
Sumlock ANITA calculator other products, such as taximeters. In 1976 Rockwell decided to exit the calculator market, by which time cheap calculators had markedly reduced the profitability of the industry. Sumlock Anita Electronics was closed down and the ANITA name was sold to a marketing company and soon disappeared. The rest of the Bell Punch Company, which was completely independent of Rockwell, continued in business to about 1986 when it was closed down. Sumlock-Anita Electronics also assembled in Britain some of the Rockwell hand-held calculators, including Rockwell models "8R", "10R", "18R", "20R", "21R", "30R", "31R". The "Panaplex" is a gas-discharge display, using 7