A family of Microsoft spreadsheet software with tools for analyzing, charting, and communicating data.
Alok wrote:
when I enter a calculation or formula my excel shows Calculating:( 2processor(s)) --% and it slow down the working. please advise because it is very irritating.
There are two separate issues....
Excel displays "Calculating" on the status line under the worksheet when the recalculation cycle takes a long time. More about this below.
In your case, I suspect the "Calculating" status takes the form "Calculating:( 2processor(s)) --%" when your worksheet is complex and Excel takes advantage of multithreading.
Usually, multithreading is a good thing. To learn more, see the http://msdn.microsoft.com/en-us/library/bb687899.aspx. To learn how to control multithreading in Excel, see the paragraph "Change the number of processors used to calculate formulas" in http://office.microsoft.com/en-us/excel-help/change-formula-recalculation-iteration-or-precision-HP010054149.aspx.
Returning to recalculation.... The slow down is probably due to excessive recalculation. There are many things that cause this. For a wealth of information about this, see http://www.decisionmodels.com/calcsecrets.htm. Be sure to look at many of the links at the top of the page as well.
Generally, a quick-and-dirty work-around is to set Manual calculation mode. I don't know how to do that in XL2007 per se. In XL2003, I click on Tools, Options, then the Calculation tab.
However, be forewarned that working in manual calculation mode can be very confusing. For example, if you copy and paste a range of dependent formulas, most of the pasted formulas might not be recalculated, making it seem like they are not working. You have to press F9 or ctrl+alt+F9 yourself when you are ready to recalculate. That's the whole point: you control when the recalculation is done.
A half-way step might be to simply disable automatic recalculation of tables, if you use them. In XL2003, that option is under the Automatic calculation option on the Calculation tab.