Calculator for example, solve quadratic equations symbolically. The first graphing calculator was the Casio fx-7000G released in 1985. The two leading manufacturers, HP and TI, released increasingly feature-laden calculators during the 1980s and 1990s. At the turn of the millennium, the line between a graphing calculator and a handheld computer was not always clear, as some very advanced calculators such as the TI-89, the Voyage 200 and HP-49G could differentiate and integrate functions, solve differential equations, run word processing and PIM software, and connect by wire or IR to other calculators/computers. The HP 12c financial calculator is still produced. It was
CMC Electronics CMC Electronics CMC Electronics Inc. () is a Canadian electronics company and part of Esterline Corporation's Avionics & Controls business segment. The company's principal manufacturing facility is located in Montreal, Quebec, with additional facilities located in Ottawa, Ontario and Sugar Grove, Illinois. The company was founded in 1903 as Canadian Wireless Telegraph Company of Canada by Guglielmo Marconi. In 1925 the company was renamed Canadian Marconi Company. In 1948 English Electric purchased the UK based Marconi Company and in 1953 acquired 50.6% of Canadian Marconi Company. In 1968 English Electric was itself purchased by The General Electric Company plc (GEC),