Graphing calculator electrical power line transmission. Casio produced the first commercially available graphing calculator, the fx-7000G, in 1985. Casio's innovations include an icon menu for easy access to functions (1994, FX-7700GE and later), graphing in several colors (1995, CFX-9800G), textbook-like "Natural Display" input and output (2004, FX-82ES/300ES & FX-9860G), expandable memory (2005, FX-9860SD), backlit screen (2006, FX-9860G Slim), full-color, high resolution backlit screen (2010, FX-CG10/CG20 PRIZM). Sharp produced its first graphing calculator, the EL-5200, in 1986. Since then Sharp's innovations include models with a touchscreen (EL9600 series), Equation Editor (textbook-like input) (EL-9300 ( 1992 ) and later), and reversible keyboard to ease
NCR Corporation 1953, the company acquired the Computer Research Corporation (CRC), after which it created a specialized electronics division. In 1956, NCR introduced its first electronic device, the Class 29 Post-Tronic, a bank machine using magnetic stripe technology. With the General Electric Company (now known as GE ), the company manufactured its first transistor-based computer in 1957, the NCR 304. Also in the 1950s NCR introduced MICR (magnetic ink character recognition) and the NCR 3100 accounting machines. In 1962, NCR introduced the NCR-315 Electronic Data Processing System which included the CRAM storage device, the first automated mass storage alternative to magnetic tape