Hewlett-Packard 9100 Programmable Calculator
This desktop machine was Hewlett Packard's first calculator, and had... News Photo - Getty Images
The early history of HP calculators | HPE
HP 9100A Calculator | Selling the Computer Revolution | Computer History Museum
The early history of HP calculators | HPE
File:HP 9100A Calculator 1968.jpg - Wikimedia Commons
HP 9100B – Time-Line Computer Archive
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Hewlett-Packard 9100 - Computer Calculator For Math And Science (1968) - YouTube
HP Virtual Museum: 9100A desktop calculator, 1968
apr 4, 1968 - Hewlett-Packard 9100A (1968) (Timeline)
Category:HP-9100 - Wikimedia Commons
HP 9100A: Launching the PC Revolution - HP History
HP 9100B was an improved version of HP 9100A, a first Hewlett Packard calculator introduced in 1968. The HP 9100B is a scientific desktop calculator with magnet…
Vintage 1968 - 1970: Hewlett-Packard's 9100 Computer (Calculator) teaching, learning aids - YouTube
HP Computer Museum
File:HP 9100A Calculator 1968 front.jpg - Wikimedia Commons
First Electronic Calculator Prototype – Joy of Museums Virtual Tours
John Wolff's Web Museum - Hewlett-Packard Calculators
The HP-35
HP 9100A programmable calculator (computer) | Interface
HP 9100A: Launching the PC Revolution - HP History
