updating hp 50g rom

[brickviking]

I found a particular version of the ROM (2.10-7) that had Bernard Parisse's interactive geometry application along with his CAS (I think), but those don't make it into 2.15. However, just about every woman and her dog have installed 2.15 by now, because of the many fixes that have been applied since 2.08. A few mad hatters amongst us have probably tried the 2.16 (if indeed they can find a way to extract it) ROM, and I've got a debug4x emulator instance that holds the first-mentioned ROM image just to experiment with the geometry application.

As previous people have said, it's usually safer to put the update files onto an SD card (assuming you've got an empty SD card with enough room for the update files) and do the update that way. You will definitely need a fresh set of batteries, you may be able to get away with plugging the calculator into the USB cable to keep it powered up while it updates, but I can't confirm this works.

(Post 238)