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HP-25 / HP 41C



#7

hello,

today i found two old HP calculators from my father.
i wonder if they still have some value.

HP-25
serial: 1605S32286
equipment: original HP leather case, ac adapter, user guide (german)

HP41C
serial: 2041A01654
equipment: only the leathercase and 2 memoryunits

condition: both are used(of course) and a bit dirty, but they still work.


#8

Hello Marsh,

Both of those machines are desirable by collectors of vintage HP calculators. If they work and clean up well, I would say each of them would easily bring $200 (US dollars) or more. Some of the software modules for the HP 41C bring a handsome price when sold separately...what modules do you have?
Beware though...if you start working with them, you won't want to part with them :)

Best regards, Hal


#9

thanks for the information

i have no idea what software modules that could be.
i don't even know how to find out if the memory modules contain anything. these are only the standard memory moudles that were shipped with the hp 41c (i guess)


and i have to update the condition of the HP-25.
the battery cover broke on first touch (had a weak point i guess) and after running for 5 minutes on the ac adapter the display is only flashing now.


#10

uhh looks like the HP-25 had a special battery unit (wich is missing) and the battery cover i broke was from a completly different machine


#11

You may want to look further down on the threads about plugging in the Hp25 w/o a battery pack. It is very likely you may now have a paper weight instead of a collectable calculator (I hope not, but you will need to get a battery pack to confirm).

#12

They certainly have values. Check the "Prices and Rarity" section on this website as well as check completed ebay listing. If the calculators are in very good condition then they are worth about the prices when they were new. Of course sometimes they go on ebay for higher prices but sometimes you can get them for almost nothing at a garage or estate sale.


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