HP 42S Error Messages


Could anyone help me obtain a list of all the error messages (in order) on the HP42S?

Thank you in advance. -- Han



Do you have access to a printed manual? If so, there is a comprehensive list of all messages at the end of it (Appendix D). The downloadable electronic version I know does not have it, though.

Anyway, this is a subject of interest. I guess that generating such a list from digitizing the original manual an using an OCR would take no more than a couple of hours.

'I'll be back...'


Luiz (Brazil)

Edited: 28 July 2012, 12:53 a.m.


Here goes a list of messages only. It's 2:26AM right now in Brazil and I'll be back (later, please...) with a better PDF file.

Alpha Data Is Invalid
Bad Guess(es)
Batt Too Low To Print
Dimension Error
Divide by 0
Global Span
Insufficient Memory
Invalid Data
Invalid Forecast Model
Invalid Type
Label Not Found
Machine Reset
Memory Clear
No Complex Variables
No Matrix Variables
No Menu Variables
No Real Variables
No Variables
Out of Range
Printing Is Disabled
Restricted Operation
Sign Reversal
Size Error
Solve/lnteg RTN Lost
Stat Math Error

Luiz (Brazil)

Edited: 28 July 2012, 1:27 a.m.


Sorry, I could not resist...

HP42S Message List (PDF)

Hope it is of any use. Please, folks, feel free uploading it and sharing freely. After all, it is a PDf reconstruction of an excerpt from the original HP42S manual. And please, if you find any error of any kind let me know so I can fix it.


Luiz (Brazil)

Edited: 28 July 2012, 2:34 a.m.


Hey Luiz, I have a 20 page essay, to be in APA format, that is due Tuesday. If you cannot sleep anyway....I can send a rubric and topic! LOL JK.


(I deserve that...) ;)


Hi Luiz,

Thank you for the information and PDF file. I really appreciate it.



Thanks! It's very helpful indeed.

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