Mostly because .333333  is not one third

On Mon, 26 Feb 2007, Dan Bron wrote:

while it's relatively simple to make integers arbitrarily large,
floating point is a much more difficult proposition:

I know, rationally, that this is true.  But intuitively it's always struck a 
sour note.  A floating point number is just an integer with a dot in the 
middle.  Why is it such a different beast?

-Dan

PS:  I once had a very heated philosophical argument with a professor on this 
very subject.
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