Click on this symbol to view a video clip.
This website contains materials to supplement the book How round is your circle? by John Bryant and Chris Sangwin.
A number of forms of multi-media are available on this site. Details are below.
Click on this symbol to view a video clip.
Click on this symbol to view a
GeoGebra applet.
Click on this symbol to download a GeoGebra worksheet.
Many thanks to Kate Bryant and Jonathon Davis for help with the photographs and some multimedia. Many thanks to Oliver Clark for help with video clips and editing.
Feedback about this website is most welcome. Please do send your comments to Dr Chris Sangwin, chris@sangwin.com.
Dr Chris Sangwin
School of Mathematics
University of Birmingham
Birmingham
B15 7TT
United Kingdom