hp 28s yellowed keys.

[Maximilian Hohmann]

Hello!

(06-01-2024 12:36 PM)Rafa Wrote:  I was already leaning on the conclusion that this is just its age and part of it.

Part of it certainly, but the age alone does not cause yellowish coloration of the keys, as you can see in the picture of my (older) HP-28C above.

One "simple" solution could be to look for another HP-28S which pleases you more and resell yours. With a bit of patience this should be possible without losing a lot of money. They have become quite rare but occasionally one pops up for a reasonable price. I bought the 28C above two years ago on eBay with fresh batteries and printed manual for 10 Euros. There are still bargains out there :-)

Regards
Max