=IF(your_formula=0,NA(),your_formula)

--
Regards
Ken....................... Microsoft MVP - Excel
Sys Spec - Win XP Pro / XL 97/00/02/03

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It's easier to beg forgiveness than ask permission :-)
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"doogie" wrote in message
...
How do I keep a line chart from plotting blank cells. Formulas are in
cells
that return a blank when false.