Mathematics Library


Cinderella Files:

Two Circles
Mid-point trace
Conic Curve Generaion
Three bar linkage
Pappus Theorem
Draw tangent lines from a point to a circle
(including details in Korean)
Construct the circumscribed circle of a triangle

Cinderella Sites:

Cinderella Homepage
Cinderella Community Korean Junior High (Middle) School Geometry using Cinderella


Cabri3D Files

Cabri3D Homepage

First install the Cabri3D plugin. To move space figures, keep hold down the mouse's right button and move around!! Some of the followings are from Univ. Entrance Exams in Republic of Korea(South Korea).

2003-07, 2004-07, 2010-05, 2010-25, Cube, Stella

Cabri3D Plugin Download Site


Mathematical Games,  Tangram Program,  Scientific Calculator

  Pi Song (source: )