9835/9845 to 9826/9836 BASIC Flex Disc Data Translator [Model 63.9521]
HP 9835 Series pack. published by Hewlett-Packard
Not listed in MAME yet.
9835/9845 to 9826/9836 BASIC Flex Disc Data Translator [Model 63.9521] © 198? Hewlett-Packard
Published trough the HP Exchange Library Software publishing platform. The principle was simple: If you needed one of the software packages, you could either contribute your own software and get three programs of your choice for free, or you had to pay a nominal transcription fee of $25.