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Date: Sun, 13 Sep 2015 16:31:17 -0400
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From: DJ Delorie <dj AT delorie DOT com>
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	John Doty on Sun, 13 Sep 2015 13:31:57 -0600)
Subject: Re: [geda-user] Apollon
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> What I meant to say is that the rational number solution is
> gridless. It has a base unit, but you can have coordinates like
> 45634/1299709.

Understood, but even a common angle like 60 degrees can't be
represented exact ly as a rational fraction.

I agree that storing angles as vectors makes sense, but I'm thinking
of accumulated error and undo; storing the original angle as an angle
might be useful too.