In your previous post on
=MOD((A1-A2),1)
1.4210854715202E-14

It appears that lone bit is a "large" error.

=POWER(2,-46)
1.4210854715202E-14
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HTH. :)
Dana DeLouis
Windows XP, Office 2003


"Biff" wrote in message
...
That's the "fudge factor" Harlan was talking about.

<snip