=MAX(SUM(N8:N9)-SUM(N20:N21),0)

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Kind regards,

Niek Otten

Microsoft MVP - Excel

"force530" wrote in message
...
=SUM(N8:N9)-SUM(N20:N21)

If the results from the above formula are 0 or less than 0, how can I
leave
the results blank or at 0?