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There's an alternate concept for rotations called a rotor that is just as capable as the quaternion concept but does not require reasoning in higher dimensions: http://marctenbosch…

That's fascinating. Thanks for the pointer.

> Signed multiplication and division use an internal flag called F1 to keep track of the sign. The F1 flag is toggled by microcode through the CF1 (Complement F1) micro-instruction…

I remember being excited about MNG, but finding the open-source libmng a pain to use. It was all based around callbacks with the library driving the animation cycle. Not a great fi…

It's meant to be breadboard-compatible, and breadboard pin sockets are normally spaced at 0.1 inch. You can see in the first schematic that it's 0.9" by 2.0", which gives you 9x20 …