..... what, if I use COUNTIF FUNCTION AS "COUNTIF($A$2:$A$9;$B$2:$B$9)=1. I checked entering this changed function of countif but results are not correct. why is this, what is the reason .....
I don't know what you mean.
What the "=1" means I actually tried to explain in the uploaded file, Sheet1!F14:F23.
I wrote "Excel array formulas" in Google and got about 246,000 hits in 0.46 seconds.
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