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Mathematical Recreations
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Games & Quizzes
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 Topics:
- Shifting puzzle, recover a jigsaw puzzle by shifting rows or columns. (XIAO Gang)
- Bar game, simple step game, play against the server. (XIAO Gang)
- Decrypt, recover a crypted text. (XIAO Gang)
- Gravity shoot, click on the gravity center of a given configuration. (XIAO Gang)
- Rotation shoot, click on the center of a rotation 2D. (XIAO Gang)
- Arithmetic tables, arithmetic training exercise-game with highly variable levels. (XIAO Gang)
- Elliptic billiards, bouncing on a billiard table of elliptic form. (XIAO Gang)
- Triangular shoot, click on one of the centers of a triangle. (XIAO Gang)
- Magic rectangles, game based on a variation of magic squares. (Gang XIAO)
- Q-Puzzle, jigsaw puzzle based on affine transformations over finite fields. (XIAO Gang)
- Additive figures, place numbers in geometric figures according to conditions on sums. (XIAO Gang)
- Homothety shoot, click on the center of an homothety 2D. (XIAO Gang)
- Pathfind, link points by a shortest path. (XIAO Gang)
- Wfind, find words by letter patterns. (XIAO Gang)
- Coincidence Freehand, find the best possible approximation of a given curve. (XIAO Gang)
- Partial equation, fill-in an equation to make it correct, drag-and-drop style exercises. (XIAO Gang)
- Transfinite arithmetic, transformation in Z/nZ by addition and multiplication. (XIAO Gang)
- Moving Comet Shoot, shoot the sun according to the motion of a comet (needs java). (WANG Qing Chuan)
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