HP41CV never forgets?

[HP67]

(05-06-2014 05:16 AM)Marcel Samek Wrote:  

(05-05-2014 06:15 AM)HP67 Wrote:  In all seriousness it sounds like typical HP over-engineering. They probably specced a nice filter cap for the power supply and it is enough to power the RAM when not in use.

How difficult would it be to mod an HP-67 to hold its memory for a long time?

I don't know but I'm sure somebody here will.