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 In certain contexts such as higher education, scientific calculators have been superseded by graphing calculators, which offer a superset of scientific calculator functionality along with the ability to graph input data and write and store programs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
Space Age Electronics Space Age Electronics Space Age Electronics (SAE) is a manufacturing company specializing in fire protection equipment and accessories, located in Sterling, Massachusetts. Founded in 1963, the company is known for its fire alarm notification appliances. In 1970, Space Age Electronics introduced the first visual notification appliances, the AV32 and the AV34 light plate. They used relabeled Federal Vibratone 450D's for their series of 2DCD horns, which were often used with the AV32 or 34.Other popular horns used would be Wheelock 34T-24's, Wheelock 34's or speakers. These would also be used with horns made by other companies, generally Wheelock, Federal Signal,