Casio (1s, 10s, 100s, etc ... ) had nine keys. Another distinguishing innovation was the use of a single display window instead of the three display windows (one for each argument and one for the answer) used in other calculators. Casio Computer Co., Ltd. was formed in June 1957. That year, Casio released the Model 14-A, sold for 485,000 yen, the world's first all-electric compact calculator, which was based on relay technology. In the 1980s, its budget electronic instruments and its line of affordable home electronic musical keyboard instruments became popular. The company also became well known for the wide variety
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