Help with Tolerance formula

I need to check a column and see if there are any duplicates but with a tolerance of 0.05

so 502.80 and 502.81 needs to show as a Duplicate

I am only looking to see if there are 2 amount the same in the column so for every amount in the column is there another with the same amount.

I have this formula but it does not have a tolerance and I can't figure out how to add a tolerance.

=IF(MAX(COUNTIF(E:E,E:E))>1,"DUPE","No Dupe")

Thanks in advance
JagwarmanAsked:
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Rob HensonFinance AnalystCommented:
In a neighbouring column add formula that will round each of the values to the tolerance value:

=MROUND(A2,0.05)

For your example, 502.81 will round to 502.80 or 502.83 will round to 502.85

Thanks
Rob H
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Ejgil HedegaardCommented:
Like this
=IF(COUNTIFS(E:E,">="&E2-0.05,E:E,"<="&E2+0.05)>1,"DUPE","No Dupe")
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ProfessorJimJamCommented:
Ejgil,

I was trying to come up with solution using ABS. but i am impressed with the simple solution you provided.
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JagwarmanAuthor Commented:
thanks
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