TY  - BOOK
AU  - Chang, Gengzhe
AU  - Sederberg, Thomas W.
TI  - Over and Over Again
T2  - New Mathematical Library 
SN  - 0883856417
PY  - 1997///
CY  - United States of America (USA)
PB  - Mathematical Association of America
KW  - Mathematics Popular works
KW  - Transformations (Mathematics)
N1  - 1. Transformations and their iteration	
2. Arithmetic and geometric means	
3. Isoperimetric inequality for triangles	
4. Isoperimetric quotient	
5. Colored marbels	
6. Candy for school children	
7. Sugar rather than candy	
8. Checkers on a circle	
9. Decreasing sets of positive integers	
10. Matrix manipulations	
11. Nested traingles	
12. Morley's theorem and Napoleon's theorem	
13. Complex numbers in geometry	
14. Birth of an IMO problem	
15. Barycentric coordinates
ER  -