Conservation of Area
Transformation of a Triangle
Transformation of a Pentagon
Billiareds
(
for Explorer 3.0 only
)
Regular m/n-Polygon
Finding angles(1)
Finding angles(2)
Sum of three segments
Congruent triangles(1)
Congruent triangles(2)
Dividing Triangle
Changing Border Line
Eye Ball
Three circles
Sum of three angles
Sum of Outer Angles
Pythagoras Theorem(1)
Pythagoras Theorem(2)
Congruent triangles(3)
Congruent triangles(4)
Application of Alternate Segment Theorem
Shadow of a Square
Dividing a Quadrilateral
Polygon Creater
Polya's Problem
Horizontal Machine
Dividing a Square
Height of the Pole
Problem about Angles(1)
Problem about Angles(2)
Folding Tape
Pantagraph
Similar Figure
Problem about Parallelogram
Peaucellier Apparatus
Problem about Quadrilateral
Two tapes