9820/21 to 9835 A/B Pre-translation Program [Model 61.9502] © 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.
Soft's package.