Some cells may be calculated more than once, especially if you have User Defined Functions. This happens more (or even only, I'm
not sure) if your UDFs address worksheet cells directly, that is, not via the argument list.
It also depends on which version of Excel you have. Much information about the calculation mechanism can be found on Charles
William's site:

www.decisionmodels.com

For Excel 2002, an uncommonly detailed specification of that mechanism can be found he

http://msdn.microsoft.com/library/de...c_xlrecalc.asp


--
Kind regards,

Niek Otten
Microsoft MVP - Excel

"Nike6106" wrote in message
...
|
| I use a spreadsheet everyday that involves alot of VBA and calculations.
| The sheet used to run its calculation once (manual calc is the only way
| to use the spreadsheet). It has started to calc the sheet twice now
| when we hit shift F9. Any reasons? I thought it might be because of
| dependent algorithms, but they have always been there.
|
|
| --
| Nike6106
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