Can the HP-12C's program memory be upgraded?

[linq2008]

Only have 2015-01-08，Rev2

(11-21-2023 08:50 PM)lvt Wrote:  

(11-21-2023 02:49 PM)Divasson Wrote:  From switched off, press g+ENTER and then On. You enter in a menu. Press 2 to get to the copyright and firmware area. First you see the checksum of the firmware. Press enter and you get to the firmware date. If the year is 2015 or later, you have the latest processor.

Thanks for the info.

Che -- 4141h
2015-01-05
C 2008 hP

Is it good?