I don't think that will do the trick. I want to be able to stop a
calculation once it's in process.

Eric

"John Michl" wrote:

Set the calculation mode to either "Manual" or "Automatic except
Tables". You'll need to press [F9] every time you want to calc the
entire workbook. To change the calc mode choose the following from the
menus:

Tools | Options | Calculation

- John