HP 48 - Wikipedia

File:HP. 67 Hastings C.1 TG516 48 SHAW 09.08.71 edited-2.jpg - Wikipedia

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HP calculators: HP-41C, HP-49 series, HP-10C series, HP 9800 series desktop computers, HP-48 series, RPL, HP 35s, HP-42S, HP-35: HP-41C, HP-49 series, HP-39g series, HP-28 series, HP-34C : Source: Wikipedia:

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HP 48 – Wikipedia