how to get "out of box" state

[BartDB]

(10-02-2018 02:35 AM)cdmackay Wrote:  My HP 50g is in the post to me, so I won't say for sure, but googling "hp 50g reset" gives lots of answers. It may even be in the manual, too

Not always the complete answer - many search returns only tell you about the reset that clears the RAM but not the Flash. Even less often do they tell you which libraries are factory default.