On Sun, 7 Dec 2008 08:56:27 -0800 (PST), nankerp
wrote:

I have put 1592,10 in cells A1 to A57 and made a SUM(A1:A57) in B57.
The result is 90749,70000000010. That is wrong. I should be
90749,7000000000000.

Helge

Look he http://support.microsoft.com/kb/78113

Hope this helps / Lars-Åke