HistoryCasio was founded in April. By 1946, Otaru Otaru, Ikeda Chiba (Japan: Tadao Kashio wei zhong jian xiong?) engineers, experts in the field of textile technology. The main products of the first piece of Chiba is a ring that is used for capturing OMI cigarettes. Vertical bar which is called Yun, WA bikini wear can be smoking the whole roll without having to hold the country at that time, Japan joined World War II, cigarettes, it is of valuable artifacts of Chiba OMI so successful in one level.After Otaru, Chiba, and his brother have been seen working with the calculator in a Show Business work time, Tokyo Ginza in 1949, they had the opportunity to spot the added revenue from the sale of those vertical bar Yun hotel. By building on their calculator. Most of the calculators at that working with gear and used by hand or motor rotation. Chiba, who is OMI knowledge of electronics to come? Thus began to devise a calculator using the winding dirt sorak aya. Size calculator desk creates success in 1954, such as calculators, work with mechanical power mixed with Japan's first machine. One important innovation in his calculator is adapted for Panel, just 10 buttons from the original with all the major figures (such as the main unit, it has a 1-9-90, 10 tens, there are hundreds, is 100-900, etc), and another novelty is the discount window to display a single channel vs. other machines that have three channels (including a slot for a two channel output area).
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