"Frank Kabel" wrote
....
this is not really possible with formulas.

Thought the example suggested earlier using a formula in *B40* itself
(with the iteration settings) seems to work ok under light testing ..
of course, within bounds of the caveats mentioned in JE's:
http://www.mcgimpsey.com/excel/accumulator.html
Worksheet Function Accumulator (using Circular References)

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Rgds
Max
xl 97
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