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Centennial Fountain
Author:
Richard Wade
Find the equation of the water fountain. Is the rainbow a parabola?
GeoGebra
Image credit:David Paul Ohmer
http://www.flickr.com/photos/the-o/
© Richard Wade, InThinking
www.teachmaths-inthinking.co.uk
New Resources
Droste effect draft
Rings of circles
Roman Numerals Bingo
Shade a spheric triangle with "surface".
Monkey typing Shakespeare's complete works
Discover Resources
Intermediate Value Theorem
circletangente
การบวกจำนวนเต็มบวกกับจำนวนเต็มลบ
lukusuora pos ja neg yhteenlasku
Quiz on Concept of Power | 乘方的概念:測驗
Discover Topics
Normal Distribution
Conditional Probability
Median Value
Standard Deviation
Surface