15


Chapters
Basic Geometry
Symmetric Shapes
Rotation of Polygons
Triangles
Similarity
Congruent Figures
Quadilaterals
Basic Formulas in Coordinate Geometry
Number Line
Circles
Trigonometric Ratios
3D Geometry
Platonic Solids
Other solids
Volume of Solids
Advanced Topics
Normal Distribution
Calculus
Special Topics
Origami (折り紙)
Tessellation
Spiral
Golden Ratio
Algebra Learning
Geometry Learning
Goodies