The sources

http://atlantis919.tripod.com/glibrary/Seven_Wonders/Pyramid.htm

http://home.kimo.com.tw/yingtzu2001/lesson/goldrec.htm

http://episte.math.ntu.edu.tw/articles/mm/mm_02_3_08/page5.html

http://members.ch.tripodasia.com.hk/goldenscale/

http://hk.yahoo.com/

Back to the main <----