Cabrijava

IMO '98

VRML

Geometric Construction Homework 2002

JavaSketchpad

Geometric Construction Homework 2001

Geometric Constructions with the Compasses Alone

Non-Euclidean Geometry Visualized

Geometric Construction

Mathematical Experiment

Fall 2002  Fall 2001  Fall 2000  Fall 1998  Fall 1997

Spring 2002  Spring 2001  Spring 1999

Non-Euclidean Geometry Homework

Spring 1998  Spring 1997  Earlier Ones

Summer Sessions  2001  2000  1999

葉洹君之作品

如何指導學生作數學科展？

科技研究方法通論 -- 數學科展通論

Notes      Notes2

movie: 立體拼圖 1999/1/10

Hsiao html

製作數學科展的一些點子

Synthetic Constructions Associated with Pedal and Polar Curves

Exploring Double Meanings in Geometric Figures

CabriWorld 2001

Calculus 2000

Mathematical Experiment 2003 Homework

photos

動態幾何專題習題 2007

幾何作圖習題  2007