&gt; <i>Just adding 0.1 to 0.2 in the language of your choice can be misleading because printing the number might just cut off the digits at some point.</i><p>It&#x27;s amazing that someone went to the trouble to register a custom domain for this and put up a nicely formatted page, yet doesn&#x27;t explain the above: that it&#x27;s not (just) a matter of representation, but <i>printing</i> precision.