bn:03291248n
Noun Named Entity
Categories: Computer-related introductions in 1974
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HP-65  HP65
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The HP-65 is the first magnetic card-programmable handheld calculator. Wikipedia
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The HP-65 is the first magnetic card-programmable handheld calculator. Wikipedia
First programmable scientific handheld calculator; with RPN and magnetic card reader, produced by Hewlett-Packard from 1974 Wikidata
Wikipedia
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Wikidata
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