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FS: HP 28S with manuals
07-10-2024, 09:53 PM
Post: #1
FS: HP 28S with manuals
GD everyone, I am offering for sale my 28S with fresh batteries and both manuals (Owner's Manual and Reference Manual). As far as I can tell everything works but I am not knowledgeable enough to be able to test all its functions. The only flaw I can detect is that the battery cover is somewhat wonky (a fairly common issue) though it does stay closed and holds the batteries in place OK. The display is clear although my picture is not the best Sad I am asking $75 for the bundle plus shipping from zip 87508. Thanks for reading!


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07-13-2024, 07:48 AM
Post: #2
RE: FS: HP 28S with manuals
JFTR, the damage to the battery compartment that you describe happens specifically because of the insane pressure exerted on the batteries by the springs in the battery compartment. That pressure is transferred to the battery door.

It would be better to remove the batteries to avoid further damage.

Current daily drivers: HP-41CL, HP-15C, HP-16C
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07-17-2024, 02:10 AM
Post: #3
RE: FS: HP 28S with manuals
Sold, thanks for the posting
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