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 In certain contexts such as higher education, scientific calculators have been superseded by graphing calculators, which offer a superset of scientific calculator functionality along with the ability to graph input data and write and store programs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 of models of desktop calculators that followed, which gradually moved to transistor and integrated circuit technology, and from the early 1970s, the hand-held models. In 1966 the calculator manufacturing operation of the Bell Punch Company was formed into a separate company, called Sumlock-Anita Electronics, and continued to manufacture both the mechanical and electronic calculators, still marketed by its Sumlock Comptometer division. There was a major development in 1973 when the Sumlock Anita Electronics division was bought by its main supplier of integrated circuits, Rockwell International of the U.S.A. The remainder of the Bell Punch Co. continued manufacturing and selling its