IBM 603

IBM 603

The IBM 603 was the first mass-produced commercial electronic calculating device; it used vacuum tubes to perform multiplication and addition. The IBM 603 was used as the arithmetic unit in the IBM Selective Sequence Electronic Calculator.

The IBM 603 was the predecessor of the IBM 604, a programmable device with more complex capabilities.

External links

* http://www.columbia.edu/acis/history/603.html
* http://www-03.ibm.com/ibm/history/exhibits/vintage/vintage_4506VV2193.html


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