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Hi all
I did buy an math module hp 00041 - 14023 but it seems d´ont work. Some times, my 41c LCD blinks and shows a very weird behaviour, and keep so until to stop completely. When i pres the program key i see 00 REG 05 ?! Other times it d´ont turn on at all, and i was forced to remove the batteries a couple of times.
Are there anything i doing wrong? I have tried the ports 2,3, and 4, and the only memory module is in port 1.
Thanks for any help, and sorry my poor English
Marcelo

Boa tarde, Marcelo!

First thing I recommend: Press <gold> <CATALOG> 2 and check if you get the functions of your MATH module displayed.

Boa sorte!

Edited: 6 July 2009, 6:49 p.m.

Did you try other modules?

Quote:
First thing I recommend: Press <gold> <CATALOG> 2 and check if you get the functions of your MATH module displayed.

Thanks by your answer,

but I can´t do nothing when i try turn on the calculator.

The keyboard does not respond at all, or respond badly for any key I press. I think the better is throw away that module before I finish to kill my calculator :)

Marcelo

Quote:
Did you try other modules?


Yes, I have a quad memory installed in port 1, and I did test successfully in the other three ports.

I have a card reader that works fine too.

Marcelo

Marcelo email please ?

Hey! If you bought it on eBay you ought to get your seller to pony back some money!