What exactly is "exact" (was Clean Singleton Docstrings)

[Marko Rauhamaa]

Chris Angelico <rosuav at gmail.com>:
> you don't need an infinite amount of paper, except that they work with
> binary rather than decimal, so people think "0.1 + 0.2 ought to be
> exactly 0.3, why isn't it??", and blame floats.

Oh, if we only had eight fingers on our hand...

Scheme, though doesn't force the implementation to use binary. It could
use trinary or sexagesimal for all Scheme cares. The application
shouldn't care, either.


Marko