Hi Nancy,

Am Thu, 12 Jul 2012 01:58:15 +0000 schrieb NancyX:

But what I want the result is as follows. Since G2=330, so 240 (F2) will
be coloured blank, then F6 should be coloured blank since the value in
F2 (240) = Value in F2 (240).
F G
2 240 330
3 960 1320
4 4800 6600
5 32160 44220
6 240 300
7 10 20
8 10 20

select F2:F8 and paste following formula to the CF:
=(COUNTIF($F$2:F2,F2)1)*(G2<330)


Regards
Claus Busch
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Win XP PRof SP2 / Vista Ultimate SP2
Office 2003 SP2 /2007 Ultimate SP2