Corrected structu

=SUMPRODUCT(--(L2:L306=$L309),--(N2:N306=N$308))

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Best Regards,

Luke M
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"ronnomad" wrote:

Having 'brain freeze' with sumproduct...my formula is:
=SUMPRODUCT(--L2:L306=$L309)--(N2:N306=N$308)
column 'L' is a list of departments (and I can list as either numeric or
alpha)
Column 'N" is dates

What I want is a the number of times the department matches the date in
N$308 (all dates are in date format).

The 'value' error appears to be in the dates.