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IBM 601
The IBM 601 Multiplying Punch was a unit record machine that could read two numbers from a punched card and punch their product in a blank field on the same card. The factors could be up to eight decimal digits long.〔http://www.columbia.edu/cu/computinghistory/601.html〕 The 601 was introduced in 1931 and was the first IBM machine that could do multiplication.〔 http://www-03.ibm.com/ibm/history/history/year_1931.html〕 In 1936 W. J. Eckert connected a modified 601 to a 285 tabulator and an 016 duplicating punch through a custom switch he designed and used the combined setup to perform scientific calculations. ==See also==
*IBM 602 *IBM 604
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「IBM 601」の詳細全文を読む
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