HP Virtual Museum: Hewlett-Packard-35 scientific calculator handheld scientific calculator, 1972
HP-35
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The HP-35
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Hewlett Packard HP-35
Review: HP 35s Programmable Scientific Calculator
Remoticon 2021 // Rob Weinstein Builds An HP-35 From The Patent Up | Hackaday
HP-35 - Wikipedia
HP 35 inside
The HP-35
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HP 35: The First Handheld Scientific Calculator - HP History
HP 35
File:HP 35.jpg - Wikimedia Commons
HP-35 - Wikipedia
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HP 35 - First Handheld Scientific Calculator - HP History
Pre-Programmed HP35s Calculator
File:HP 35 Calculator.jpg - Wikipedia
HP 35 - First Handheld Scientific Calculator - HP History
