- Transformations: Interact dynamically with shapes under Dilatation (Utah State Univ, NLVM)
- Mathematical Enlargements An excellent demo showing the image of a triangle with options for changing the centre, the points of the triangle and the scale factor. (waldomaths.com)
- A Virtual Pantograph
(www.ies.co.jp)
- Similar Figure Watch the effect as a triangle is enlarged then rotated: move the two centres and alter the scale factor and angle (www.ies.co.jp)
- Shape Tool A comprehensive shape generator and manipulator which has a reduction and enlargement facility (illuminations.nctm.org)
|