How can I create a formula to return a $ amount a sliding 30 days?

I think that you will have to explain what it is that you are trying to do a
bit more if you want an answer.


--
Regards,

Sandy
In Perth, the ancient capital of Scotland
and the crowning place of kings


Replace @mailinator.com with @tiscali.co.uk


"Bill" wrote in message
...
How can I create a formula to return a $ amount a sliding 30 days?