> > For example, i am performing this simple arithmetic:
> > 23-(1.346493052*16)+(.663965156*11)+(.008569426*5)-15.23480728
> >
> > R gives the result --> -6.432232271
My machine (win32, R 3.0.1) gives -6.432232266
Something about your machine, or typing, is different.
It shouldn't be R, as the help system implies it uses the same precision and
IEEE floating point rules for all platforms....
S Ellison
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