>Hmm, if you don't want a sign, why have an 'S' in the PICTURE clause?
>Signed:
 >  05 SIGNED-ITEM  PIC S9(x) COMP-3.
>Unsigned:
 >  05 UNSIGNED-ITEM  PIC 9(x) COMP-3.

Not being a COBOL speaker and not using packed decimal  in other than trivial 
ways over the past 59 years (since my first S/360), this discussion has been 
very interesting. It would appear that there is considerable interest in the 
details of the topic.

A short paper on the topic, exploring the details mentioned over the last week 
or so, would find many readers.  It could touch on the actual machine 
instructions used in various cases, anything relating to "newer" instructions, 
performance, decimal data viewed in hex, date fields, options, zoned decimal 
usage, etc, etc. (In the old days this might have been a small IBM RedBook or 
something similar).

Bill Ogden


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