Try:

=IF(ISNUMBER(MATCH("product1001",OLD,0)),"D",
COUNTIF(PROD,"product1101*"))

Not sure whether there was a typo in the post as to: "product1101"
(Should the 2 product references be the same?)
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Rgds
Max
xl 97
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Singapore, GMT+8
xdemechanik
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"Digory" wrote in
message ...

Dear All,
Great forum - hope someone can help with this.

I have data in same workbook, different sheet arranged in cols with
assigned NAMES to ranges.

For example; range PROD is a list of product documentation:
product1101_dispatched
product1101_invoice
product1102_dispatched
product1102_invoice

Range OLD is a list of deleted products:
product1000
product1000
product1001
product1000

I am trying to build a matrix where cells will first interogate OLD and
if there is an entry return a D (for deleted). If no entry in OLD then
interogate PROD and count the number of entries using productNumber* to
count all the product documents associated with that product. Assumption
is that products will appear in only one range or not at all. I will
then conditional format matrix with traffic light red=0,
orange=D,Green0.

Am trying to use this (for prod1101):
{=IF(OLD="product1001","D",COUNTIF(PROD,"=product1 101*"))}

Where am I going wrong ?

D:-)


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Digory
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