Comments:CoSMEd 2005
From GeoGebra Manual
The following constructions have been made by A.J. Oldknow for the CoSMEd 2005 conference in Penang, Malaysia. Click on each one to see a live demonstration.
Number line ...(Drag N from side to side.)- Max area ...(Drag B from side to side.)
- Steering
- Steering mechanism
- Bezier curves
- Bezier glass ...(Drag the slider t from side to side. Drag any blue point.)
- Merlion ...(Drag the slider m from side to side until the curve matches the water jet.)
- Cam bridge
- Bearings
- Basket
- Sprinkler
- Wiper
- Bognor pier
You can download all examples in one zip file: 
oldknow_cosmed.zip.
Background Information
Regional Centre for Education in Science & Mathematics CoSMEd 2005 International Conference on Science and Mathematics Education ABSTRACT.pdf
