In Sheet2,
With unique part numbers in A2 down
In B2, array-entered**:
=MAX(IF(Sheet1!$A$2:$A$100=A2,Sheet1!$B$2:$B$100))
Format B2 as date, copy down
ADapt the ranges to suit
**Press CTRL+SHIFT+ENTER to confirm the formula
instead of just pressing ENTER

Signature
Max
Singapore
http://savefile.com/projects/236895
xdemechanik
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> Col A has a slew of part numbers with many of them repeated; Col B has
> a transaction date for that item.
[quoted text clipped - 6 lines]
>
> Pierre
Pierre - 10 Feb 2008 21:06 GMT
> In Sheet2,
>
[quoted text clipped - 11 lines]
> Singaporehttp://savefile.com/projects/236895
> xdemechanik
Max,
looks great and works like a charm. Thanks much.
Pierre
Max - 11 Feb 2008 01:27 GMT
Good to hear that, Pierre.
Thanks for feeding back.

Signature
Max
Singapore
http://savefile.com/projects/236895
xdemechanik
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"Pierre" <cowguy@aol.com> wrote
Max,
looks great and works like a charm. Thanks much.
Pierre