Not free though, but will analyse your data and suggest optimisation
techniques:-

http://www.decisionmodels.com/fastexcel.htm

--
Regards
Ken....................... Microsoft MVP - Excel
Sys Spec - Win XP Pro / XL 97/00/02/03

----------------------------------------------------------------------------
It's easier to beg forgiveness than ask permission :-)
----------------------------------------------------------------------------

"Ola" wrote in message
...
What is the best tool to compare the Calculation speed between two
formulas?

Ola Sandstrom


I just found: http://www.acoustics-noise.com/calcsped.htm