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Author:Kojiro Shojima, Ph.D.

New Resources

  • 目で見る立方体の2等分
  • 正17角形 作図 regular 17-gon
  • サイクロイド
  • 対数螺旋
  • standingwave-reflection-free

Discover Resources

  • 直線のベクトル方程式
  • seisimentai
  • 単位円とtanのグラフ
  • 一次変換流星群
  • ラッキー7に近づこう

Discover Topics

  • Symmetry
  • Conic Sections
  • Curve Sketching
  • Prism
  • Rotation
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