article
Tangles
A personal investigation of Conway's Rational Tangles. What were
the interesting questions that needed to be asked, and where did
they lead?
Fractions
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articleStretching Fractions: A Discussion
This article extends and investigates the ideas in the problem "Stretching Fractions". -
articleThe Harmonic Triangle and Pascal's Triangle
The harmonic triangle is built from fractions with unit numerators using a rule very similar to Pascal's triangle.