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
Math module d´ont works
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