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Dr An Wang immigrated to the US from his hometown of Shanghai in 1945 and three years later earned a PhD in applied physics from Harvard University In 1951 he founded Wang Laboratories Inc which under his technological and managerial guidance soon became one of the most recognized and successful corporations of the dawn of the Information Age The LOCI Logarithmic Calculating Instrument the first electronic scientific calculator introduced by Wang Laboratories in 1964 had to stand in the floor and supported multiple keyboards attached to them Dr An Wang is normally associated with the invention of the ferrite core memory so widely used in early computers this is a recount of his involvement in the development of the electronic calculators It was September of 1949 when An Wang filed his patent application for a Pulse Transfer Controlling Device At that time Dr Wang was not aware on the crucial importance of his invention to the development of digital computers His Pulse Transfer Controlling Devices were minuscule toroidal coils with a donut-shaped ferrite core magnetized in one of two possible directions 0 or 1 the basic units of every bit of information that a computer or calculator can handle Six years after filing for it Dr An Wang received his patent in 1955 the Patent Office issued patent 2708722 to Dr Wang Wang Laboratories was one of the first companies to develop and successfully market electronic calculators Their first commercial model the WANG 300 launched in 1965 was their first electronic calculator aimed to compete with the electro-mechanical calculators dominated by companies like Friden and Burroughs and the early electronic calculators such as the ANITA A New Inspiration To Arithmetic manufactured in England by Sumlock Comptometer since 1962 and the Compet introduced in Japan by Sharp in 1964 The WANG 300 was based in the LOCI a desktop scientific calculator patented by Wang Laboratories in September 17 1964 Patent 3402285 The LOCI had
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