Hewlett & Packard computer/calculator model 9835A

UvA Computer Museum catalogue nr 99.69

hp9835
The 9835A has much resemblance with previous machines from the 98xx series in our collection; with its highest model number, it also looks the most like a computer. The pull-out reference cards (underneath the monitor) make a manual almost unnecessary. Our machine is equipped with firmware modules for plotting, mass storage, I/O and assembly language development, mounted in small drawers (in the picture just visible in the front of the machine).
Like with most of our HP machines, the cassette tape drive is inoperable due to deterioration of the capstan. For this machine, we have neither documentation nor (model-specific) software.
This machine was donated by Dr. W. Vree. It has been used at the "Meetkundige Dienst van Rijkswaterstaat", a Dutch governmental institution.

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