IBM 604
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The IBM 604 Electronic Calculating Punch was the world's first mass-produced electronic calculator along with its predecessor the IBM 603. It was an electronic unit record machine that could perform m
IBM 604 as part of IBM CPC assembly
IBM 604 Electronic Calculator at NEMO national science museum in Amsterdam. Note plugboard control panel used to program the 604, at bottom.
IBM 604 vacuum tube modules
IBM 603
Videos
The IBM 603 Electronic Multiplier was the first mass-produced commercial electronic calculating device; it used full-size vacuum tubes to perform multiplication and addition. The IBM 603 was adapted a
IBM 604
…The IBM 604 Electronic Calculating Punch was the world's first mass-produced electronic calculator along with its predecessor the IBM 603. It was an electronic unit record machine that could perform multiple calculations, including division. It was invented and developed by Ralph Palmer…
Full size and miniature vacuum tubes