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Messages - chckwng

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16
Help Me / need help with formula
« on: October 16, 2011, 11:02:17 AM »
It has been awhile since I have used this formula

n-r+1+if(r=1, 5)+if(r=2, 3)+if(r=3, 1)

If anyone could please tell me what it means it would be much appreciated.

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