Thanks Graham. I tried that and when I hit Alt+F9 to toggle, it displayed
!SYNTAX ERROR,1
I've tried playing with spaces between the plus sign vs. no spaces and
various other variations but to no effect.
Thanks,
Chris
It will give a syntax error unless both fields are present and contain
numeric data. Update the field (F9)
Create a directory merge containing just these fields. Merge to a new
document and see what happens?

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Graham Mayor - Word MVP
My web site www.gmayor.com
Word MVP web site http://word.mvps.org
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> Thanks Graham. I tried that and when I hit Alt+F9 to toggle, it
> displayed
[quoted text clipped - 27 lines]
>>> Thanks,
>>> Chris
Chris Stammers - 11 May 2007 11:59 GMT
Funnily enough, as I was writing my last message, I thought it might because
the fields weren't yet populated. This has since proved to be the case and it
does work. Thanks for your help again. I may be on again later for something
else.
Kind regards,
Chris
> It will give a syntax error unless both fields are present and contain
> numeric data. Update the field (F9)
[quoted text clipped - 32 lines]
> >>> Thanks,
> >>> Chris