2 HP 16C Calculators Up for Discussion

[rprosperi]

(12-07-2018 10:02 PM)burkhard Wrote:  It is a really "SUPER-rare" model in that it looks nearly perfect (including the emblem) and passes all the self-tests but somehow does integer multiplication and division incorrectly. (I have two others which act fine and this one doesn't). But it is pretty!

Perhaps the word-size setting is something strange, leading to your unexpected results?

Try a full reset of memory. From the manual:

1. Turn 16C off
2. Press and hold [ON] key, then press and hold [-] (minus key)
3. Release [ON], and then release [-] keys

You should see "Pr Error" (power error) confirming memory has been cleared and back to default settings (e.g. 16-bit word-size).

Can't hurt to give it a try...