> I think you'd have a very hard time finding any pre-college level teacher who > wants to teach binary fp. Your ABC experience is consistent with that too. "Want to", no. But whether they're teaching Java, C++, or Pascal, they have no choice: if they need 0.5, they'll need binary floating point, whether they explain it adequately or not. Possibly they are all staying away from the decimal point completely, but I find that hard to believe. > > But other educators (e.g. Randy Pausch, and the folks who did > > VPython) strongly recommend this based on user observation, so there's > > hope. > > Alice is a red herring! What they wanted was for 1/2 *not* to mean 0. I've > read the papers and dissertations too -- there was no plea for binary fp in > those, just that division not throw away info. I never said otherwise. It just boils down to binary fp as the only realistic choice. --Guido van Rossum (home page: http://www.python.org/~guido/)
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