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Author:
Kojiro Shojima, Ph.D.
GeoGebra
New Resources
サイクロイド
対数螺旋
等積変形2
直線の軌跡
二次曲線と離心率
Discover Resources
re^(iθ)=
重さテスト2
光の三原色
動点（三角形-1）
tlotc
Discover Topics
Coordinates
Confidence Interval
Incircle or Inscribed Circle
Statistics
Exponential Functions