Jim Dean
 Sage
       Posts: 3433
Joined: 3/13/2006
Location: L'ville, GA
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Sure. This uses a nifty "trick" ... you sum up the tests for each day and compare them to the minimum total requirement. Each test that is true becomes a -1, while false is 0 ....
15 < -Sum( (C > O), 20)
Minus sign and paren's are important.
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