Finding Used and Unused Numbers

  • Thread starter Thread starter Glenn
  • Start date Start date
G

Glenn

Hi,

I have a worksheet that contains 2 columns of data:

Column A contains a list of all available numbers to use.

Column C contains a list of all numbers that have been used.

I need to be able to find out the following:

Which numbers from Column A haven't been used.

Which numbers from Column A have been used twice.

Thanks!
 
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