Scheutz and his son Edward produced a tertiary come out difference engine with a correspondent in 1843 and their politi cal relation agreed to fund their attached project. In 1886 Dorr D. Felt (1862 - 1930) invented the "comptometer". This was the depression calculator where the operands are entered by just pressing keys. In 1889 in also invents the first printing desk calculator. Herman Hollerith (1860 - 1929) founded IBM ( as the Tabulating implement ...If you want to get a full essay, order it on our website: OrderEssay.net
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