Feliz/Happy 2014的副本

Author:xiaodandan, Ester Alonso

Choose the language and click on the Start button. You can use sliders to change the colour of the letters and numbers, and the checkbox to let it snow or not.

New Resources

Conchoids of Nicomedes
seo tool
Calendar Puzzle
探究長方形對角線上的正方形數目
Example of using color palette

Discover Resources

Pythagorean Triple 10,15, 25
Feature Showcase
Vertical Line Test
Absolute Value
CORRESPONDING ANGLES ARE SAME

Discover Topics

LCM and GCD
Symmetry
Rotation
Orthocenter
Parabola