The definitive source for optimization:
http://www.decisionmodels.com/
Biff
"Peterdout" wrote in message
...
I have a 33Mb spreadsheet in which I use SUMPRODUCT formulas to make
multiple
criteria selections. This has a severe penalty in recalc time, now between
5-10 minutes. Is there a better way of achieving multiple criteria
selections
without increasing recalc speed.