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Amazon.com: HP 21.5" All-in-One Desktop, Intel Pentium Silver J5040 Processor, Intel UHD Graphics 605, 4 GB RAM, 128 GB Storage, Windows 11 Home (22-dd0120, 2021) : Electronics
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File:Vintage Hewlett-Packard Model HP-16C Progammable RPN Calculator, HP's First and Only Programmable Calculator, Circa 1988 (9330369298).jpg - Wikimedia Commons
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