I tried this and it said that it couldn't creat because of a circular
reference. This formula I need provides me with a number that is used in a
formula for cells B8, B11, etc. Any other suggestions? I'd really
appreciate it!!!

"RagDyer" wrote:

Try this:

=SUMPRODUCT((MOD(ROW(B7:B500)-1,3)=0)*(B7:B500))
--
HTH,

RD
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Please keep all correspondence within the Group, so all may benefit!
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"SusanK" wrote in message
...
How do I add cell B7, B10, B13 (every 3 cells up to 500+)? Note: The other
cells such as B6 and B9 have other forumlas and info that is not to be
included). I did this manually but the formula has now gotten so long
that I
get an error saying "formula too long". So I figured, there must be a
shorter formula that just adds every 3 (or whatever designated) cells
starting with one cell and ending with another.