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hp 11c "error 4"
08-11-2015, 06:45 PM
Post: #1
hp 11c "error 4"
On my hp 11c calculator, whenever I try to use any of the 5 left hand upper corner white-text functions (SQR, ex, 10x, yx, 1/x), the calculator returns an "Error 4" message. What could the problem be?
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08-11-2015, 07:00 PM
Post: #2
RE: hp 11c "error 4"
You have probably switched on the USER-mode. Thus these keys try to execute programs A-E which apparently don't exist. You can switch it off with: f USER

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Thomad
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08-11-2015, 08:11 PM
Post: #3
RE: hp 11c "error 4"
(08-11-2015 07:00 PM)Thomas Klemm Wrote:  You have probably switched on the USER-mode. Thus these keys try to execute programs A-E which apparently don't exist. You can switch it off with: f USER

Kind regards
Thomad

You were absolutely right. I switched it off using f USER and it worked. Thanks a lot.
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08-12-2015, 12:06 AM
Post: #4
RE: hp 11c "error 4"
Quote:Please welcome our newest member, hajrigf

أهلا وسهلا
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