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HP15C Help


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Post: #2
04-27-2005, 07:25 PM
Victor Silva Offline
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I sold an HP15C on eBay and I am not really familiar with its operation. It did pass the self tests as shown here:

(ON X) and the keyboard test (ON -:-).

See:

http://www.rskey.org/~mwsebastian/selftest/hp_test.htm#voyager

for testing details.

When the winner received it he couldn't even perform rudimentary arithmetic correctly (like 5 ENTER 15 X). I had him clear the complex flag and now that works.

However, both SQRT and X^Y produce ERROR 4. This is confusing because the manual states ERROR 4 is a programming error, I would expect ERROR 0 during a bad SQRT operation.

Thanks for any help you can provide.

Regards,
Victor

Edited: 28 Apr 2005, 1:22 p.m. after one or more responses were posted

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Post: #3
04-27-2005, 07:50 PM
Namir Offline
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Victor,

Have your client clear User mode by pressing [f][RCL]. He should be fine.

Your client needs manuals for the HP15C.

Namir

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Post: #4
04-27-2005, 08:42 PM
Victor Silva Offline
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Thanks for your help. I agree he needs to read the manual.

Victor

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Post: #5
04-28-2005, 04:31 AM
Arnaud Amiel Offline
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The manual is available on the Bring Back the 15C website.
It is here.

Arnaud

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Post: #6
04-28-2005, 06:39 AM
Namir Offline
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Excellent!! Now folks have no excuse to ask how to operate the 15C.

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Post: #7
04-28-2005, 10:31 AM
Victor Silva Offline
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Thanks, I found that also. I sent the link to my client but apparently he is completely unfamiliar with the HP15C. He is treating every unexpected operation of the calculator as a possible failure and asking me for support.

Reagrds,
Victor

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Post: #8
04-28-2005, 11:54 AM
Arnaud Amiel Offline
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Maybe you should charge him for tech support unless it really is a failure?

Arnaud

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Post: #9
04-28-2005, 01:31 PM
Victor Silva Offline
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Arnaud,

Yes, I should charge, but that might precipitate a negative feedback on eBay. I always give people a positive as soon as they pay me because in my opinion they have fulfilled their obligation to me.

It's a pity most others don't operate in the same way. After getting burned a few time I have become disillusioned with eBay, particularly they way they responded to my emails. They pretty much said go away and let us continue to make money.

--Victor

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Post: #10
04-27-2005, 10:36 PM
sjthomas Offline
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I would advise him to start fresh from a master clear (ON -, I believe)

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Post: #11
04-28-2005, 03:20 AM
Jeroen Offline
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The buyer doubtlessly spent $250+ on this calc and doesn't even know basic RPN operations. What a waste...

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Post: #12
04-28-2005, 08:33 AM
james summers Offline
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Yes, but what a testament to the appeal and desirability of the traditional HPs!

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Post: #13
04-28-2005, 12:54 PM
Dia C. Tran Offline
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I wonder why someone would spend extra money on a used calc that he has trouble using. Why not just get a new TI?

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Post: #14
04-28-2005, 01:21 PM
Victor Silva Offline
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Well, he did claim to use an HP32SII. Those two models are quite different and he should have spent some time studying the manual.

I hate dealing with eBay. I sold the HP15C as a favor to a friend who has no experience selling on eBay. The only good thing about it is the selling prices do get high.

--Victor

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