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Howard Clock
Author:
Chan Wing Ho
撥動鐘面,輸入鐘面上指示的時間。 輸入時間,依時間撥動鐘面。 Information for other teachers: 讓學生認識如何從鐘面報時,及如何在鐘面顯示指定的時間。
GeoGebra
柯志明 香港教育局 教育基建分部
New Resources
Chaotic behaviour
Average Rate of Change: Graph a Function (1)
Lorenz Attractor: Multiple particles
Shade a spheric triangle with "surface".
Roman Numerals Bingo
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quick sketch showing some use of object properties
Electric Field
Edmodo
square or not?
Spirala Pi, Tau...
Discover Topics
Kite
Linear Functions
Trigonometric Functions
Special Points
Planes