On 7 Jun 2011 at 11:47, Stephan Zietsman wrote:

Date sent:              Tue, 7 Jun 2011 11:47:25 +0200
Subject:                Re: [libreoffice-users] Re: Calc: Has anyone 
tested the
        backward-compatibility of LibreOffice 3.4?
From:                   Stephan Zietsman <[email protected]>
To:                     [email protected]
Send reply to:          [email protected]

> plino wrote:
> > Even with the array working it's not detecting non-numeric cells properly.
> > Can you upload your spreadsheet somewhere so I can see what I'm doing wrong?
> 
> Hi plino,
> sure, the upload link is:
> http://www.2shared.com/file/WuzUYsyS/FindNonNumeric.html
> 
> See the formula in cell C2.  Let me know whether or not you succeed.

Interesting...
I did some other things with it.
Calculate number of non-numeric values
=COUNTA($A$2:$A$21)-COUNT($A$2:$A$21)

Interestingly, the 3rd non-numeric value was a text formated filed 
in cell a9.

Was interested if it could be modified for multi-column searches.
Did a same test using H2:I5 and used this formula.

= SMALL((IF(ISNUMBER($H$2:$I$5), "ALL 
GOOD",COLUMN($H$2:$I$5)*1000+ROW($H$2:$I$5))), 1)

That returns the number 8004 and 2nd one returns 9005.
Then used this formula to convert to a cell address.
=CHAR(INT(L2/1000)+64)&MOD(L2,1000)

That only works for first 26 columns, and upto 999 rows, but could 
be modified. 




> 
> Regards
> Jack
> 
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