The HP 15C is considered one of the most iconic scientific calculators ever created, renowned for its advanced mathematical capabilities, programmability, and legendary RPN (Reverse Polish Notation) operation.
Item Tag: HP
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Vintage Hewlett Packard HP-15C Scientific Calculator Original Working w/ Case
Vintage Hewlett Packard HP-15C Scientific Calculator Original Working w/ Case & manual
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Vintage HP-15C Owner’s Handbook User Manual February 1982 Edition
This handbook, manufactured by HP in the United States, provides detailed instructions and information on the HP-15C calculator.
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Hewlett-Packard HP 12C Scientific Calculator
Check photos for item condition. Will need a battery. Thanks for looking! 😊
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Hewlett Packard Financial Calculator Real Estate HP 12C Indstry Standard VTG New
Brand new still in packaging. Sold as is, please refer to photos
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Owner’s Handbook for HP-15C Calculator (Manual, Guide) June 1987
Acceptable condition with nice pages but staining on the cover. Good binding. The owners handbook for a 1987 HP-15C calculator
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Hewlett-Packard HP 15C Scientific Calculator, Badge Label Only
This is only the badge / label for the HP-15C. This does not include the calculator. The label is 0.8mm thick and has self adhesive.
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Vintage HP 15C Scientific Calculator with Case – Hewlett Packard Tested
Known for its compact design, durability, and Reverse Polish Notation (RPN) input, the HP 15C remains a legendary calculator decades after its release. • Model: 15C Scientific Calculator. • Compact design, perfect for professionals and collectors.