Presentation at Cabri International Project, Cabri World 2001
KOBAYASHI Ichiro (IES) had a
presentation
at Cabri World 2001. You can see the contents and some Cabri figures of the
presentation
.
Presentation at Cabri International Project, ICME9
Meaning of the Multiplication of Complex Numbers
Multiplication of 1/z and delta z
Integral of z^2 of complex numbers
Multiplication of z and delta z
Centroid of 10-gon
Pythagoras' theorem(1)
Basic Property of Palabola
Basic Property of Ellipse and Hyperbola
The Sum of Outer Angles of a Polygon
Two equilateral triangles
Two squares
Three equilateral triangles
Folding tape
Overlaped area of two squares
Congruent Transformation
Problem of Two Circles
Pythagoras' theorem(2)
Tree of Pythagoras
Inner Center
Problem about angles
Salinon(Salt-cellar)
Circumcenter
Horizontal Machine
Transformation of a Triangle
