This article seeks to provide an insight into little known numerical methods for deriving meaning from ancient sacred texts to give an understanding of some of the symbolism contained in the wonderful artwork and sculptures of Venetian artist Tobia Rava. The author describes how he used Rava's artwork to inspire a multi-faceted mathematics…

Over the years the technology behind displaying the image of the unit circle has changed, but the defining features remain constant. The key question for the author as a teacher is this: are the relationships embodied in the image simple, memorable and rich enough to be grasped by any KS3 student at his school? It needs to be simple enough to…