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
Sony Xperia Z1 Compact Sony Xperia Z1 Compact The Sony Xperia Z1 Compact is an Android smartphone produced by Sony. The Z1 Compact has a 4.3 inch display and is released as a cheaper and smaller version of the flagship Xperia Z1 which features a 5-inch display. The Z1 Compact is the Sony smartphone to use an IPS panel, which improves markedly upon the poor viewing angles of the Xperia Z1 and its flagship predecessors like the Xperia Z and Xperia ZL. The Japanese version of the Z1 Compact, dubbed the Sony Xperia Z1 f (SO-02F), was unveiled on 10 October 2013 and was