The later part generalises his method to complex numbers; so what about rational approximation to quaternions? WFL On 11/24/18, John Golden <goldenj@gvsu.edu> wrote:
I made a quick GeoGebra applet to help me visualize these terrific Ford circles: https://www.geogebra.org/m/v4qn96yr
Date: Sat, 24 Nov 2018 08:09:25 -0800 From: Henry Baker <hbaker1@pipeline.com> Subject: [math-fun] Ford circles
I just discovered this paper on "Ford circles" (1938) for fractions and continued fractions.
Very very cool & elementary. Suitable for high school students.
Either
https://trungtuan.files.wordpress.com/2017/06/ford1938.pdf
or
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