Hi,

I can't make any connection between the subject of your question
how do i turn off calculation of cells
and the body of you question

so I'll try to answer the subject line. try

Tools|Options|Calculation
select manual

Mike

"blabla" wrote:


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havent found solution,,any directions ,apprecciated,,im entering serial
numbers with both letters and only numbers ,changing the format doesnt seem
to help !!!