IBM 601
From Infogalactic: the planetary knowledge core
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.[1] The 601 was introduced in 1931 and was the first IBM machine that could do multiplication.[2]
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
References
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<references />, or <references group="..." />- Eckert, W.J., Punched Card Methods in Scientific Computation, The Thomas J. Watson Astronomical Computing Bureau, Columbia University (1940)
