There's an explanatory post there that in particular is very much worth reading: http://accidentallyquadratic.tumblr.com/post/113840433022/why-accidentally-quad

There's an explanatory post there that in particular is very much worth reading: http://accidentallyquadratic.tumblr.com/post/113840433022/why-accidentally-quadratic http://accidentallyquadratic.tumblr.com/post/113840433022/wh...