Fri, Mar 17, 2017
A visual demonstration of the fact that exterior angles of a polygon add up to 360°.
Wed, Mar 1, 2017
When something is widely used, often in dense and complex expressions, it can be easy to forget that it’s actually very simple. So it is with sines and cosines.
Sat, Feb 25, 2017
The secrets of the golden ration in a few easily drawn shapes
Sat, Feb 11, 2017
From Fibonacci Rectangles to a parrot - a journey of discovery.