Excel's calculation mode is at Application level rather than workbook level,
and is set from the first non-empty, non-XLA workbook opened, which could
for instance be Personal.xls.

for more details see
http://www.decisionmodels.com/calcsecretse.htm

regards
Charles
______________________
Decision Models
FastExcel 2.1 now available
www.DecisionModels.com

"iumike2004" wrote in message
...
How do I keep Excel in manual calculation? I switch it to manual using
the
tools-options menu, but it keeps switching back to auto.