HP 5375A
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| Manufacturer | Hewlett-Packard |
|---|---|
| Layouts | Bespoke Ortholinear: 45 keys in 4 groups |
| Keyswitches | Mousetrap |
| Dimensions | height 3.74", width 11.5", depth 9". |
| Weight | 4.5kg |
| Years of production | 1970 - ??? |
| Discontinued | Yes |
| Price | $1350 (1970 USD)[1], $8920 (adjusted 2020 USD)[2]. |
The HP 5375A is a large keypad that was used with the HP 5360A computing counter[3]. It features a numberpad for numerical entry into the computing counter, as well as mathematical operators and dedicated keys for entering a programming mode.
The keyboard is basically a device for presenting programs or sequences of instructions to the computing counter, and for entering numerical data. The keyboard has memory for data and programs, and has the ability to make comparisons, and perform program looping and branching.
Forum posts
November 2015 post in the Gallery section.
External Links
Details on the HP 5360A computing counter on DoPECC: The Dawn of Personal Electronic Calculators and Computers.
