Weird arithmetic in Python

[Samuel A. Falvo II]

On Sun, 29 Oct 2000 22:39:17 GMT, yminsky at cs.cornell.edu wrote:
>>>> .1 * 3 - .3
>5.55111512313e-17

Round-off error.  The computer is incapable of representing certain numbers
with full fidelity.  Evaluating 0.1*3 loses some precision over just typing
in 0.3, so the difference in precision is the result you see above
(5.55111512313e-17).

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