Hi there

A question on how can I get a formula calculate the following question for me.

What I want is to count all these finish date that isn't the same as the start date. Then sum up the number of gadgets that doesn't match.

I tried to use countif formula but for whatever reason it won't recognise the difference between the dates.

Start Date Finish Date
26/11/2009 27/11/2009

Help!