The early history of HP calculators | HPE
John Wolff's Web Museum - Hewlett-Packard Calculators
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File:HP 9100A Calculator 1968 front.jpg - Wikimedia Commons
Hewlett-Packard 9100 Programmable Calculator
The early history of HP calculators | HPE
Category:HP-9100 - Wikimedia Commons
HP Virtual Museum: 9100A desktop calculator, 1968
HP 9100A Calculator | Selling the Computer Revolution | Computer History Museum
HP Computer Museum
HP 9100A: Launching the PC Revolution - HP History
Classic HP 35 calculator comes back to life - EDN
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HP - HP calculators have been making it count since 1968. #TBT http://hp.nu/KNcJ9 | Facebook
1968 , Volume , Issue Sept-1968
HP 9100B – Time-Line Computer Archive
HP 9100A programmable calculator (computer) | Interface
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Hewlett-Packard 9100 Programmable Calculator
HP Virtual Museum: 9100A desktop calculator, 1968
apr 4, 1968 - Hewlett-Packard 9100A (1968) (Timeline)
HP 9100A: Launching the PC Revolution - HP History
HP - #TBT In 1968, Bill and Dave created HP 9100A, the world's first programmable scientific calculator. Today, we follow in their footsteps with another mathematical innovation: HP Prime. http://hp.tl/6185BKgVx | Facebook
HP 9100A: Launching the PC Revolution - HP History
HP 9100A/B
The HP-35
