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nebb
 
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Default Check for Duplicates


Cells A1 thru A50 contain a single number between 1 and 100. If I
wanted to determine if the number 8 appeared more than once, I could
use
‘if (countif(a1:a100,8)=2,x,y)’. Is there a short way of checking to
see if any number between 1 and 100 appears more than once without
repeating the above formula 100 times?


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