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Find number abc

If 5c5ba - 373b6 = c4c94 find number abc. Multiple solutions may exist.

Correct answers: 1

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IBM

In 1911, the Computing-Tabulating-Recording Company (CTR) was incorporated, a predecessor of IBM (1924). Earlier, in 1890, Dr. Herman Hollerith had constructed an electromechanical machine using perforated cards for use in the U.S. census, and in 1896 he founded the Tabulating Machine Co. to construct sorting machines. In 1911, CTR was the result of the merger of the Tabulating Company (founded by Hollerith), the Computing Scale Company, and the International Time Recording Company)

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