[Tutor] The '45' bug in round()

[Michael Hannon]

On Mon, Mar 19, 2007 at 03:04:03AM -0700, Dick Moores wrote:
> Yesterday I was shocked, SHOCKED, to discover that round() is 
> occasionally rounding incorrectly. For example,
> 
>  >>> print round(0.19945,4)
> 0.1994
.
.
.
> Comments, Tutors? Am I way out in left field with this?


I suggest you might want to look at the discussion of unbiased rounding at:

    http://en.wikipedia.org/wiki/Rounding

					- Mike