Sum all cells = 100%, if sum is <> than 100%, Error, if all cells blank, Sum = blank
Can't seem to get the formula to show all empty cells in the Total as ""
[TABLE="width: 249"]
[TD="colspan: 5"]PRODUCT MIX %[/TD]
PC
[/td]XP
[/td]LM
[/td]PCL
[/td]TOT (=100%)
[/td]5
[/td]10
[/td]15
[/td]70
[/td]100
[/td]40
[/td]50
[/td]20
[/td]ERROR
[/td]ERROR
[/td]
[/TABLE]