Hi, Kiss. That's 'cause the cell is formatted as text. Try:
a) formatting it as general
b) Edit--Clear--All, save the file, and type the formula again
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Anne Troy
www.OfficeArticles.com

"Kiss" wrote in message
...
I received a database from another source
in cell c1 i enter =A1 and press enter nothing happens
it just abbears as =A1
No formulas are working
But in another worksheet in the same file all is ok