Geogebra 3D

1. 座標工具:

3D座標架13D座標架2 (含座標刻度、xy平面格線、3D格線)3D座標架3(用向量控制軸的旋轉)3D座標架之工具

2. 3D幾何圖形(ggb file)

Triangular prism(三角柱)Helicoid (螺旋曲面)Torus(輪胎面)Möbius stripKlein BottleCatenoid()Ennepers surfaceTractrix(物曲面)旋轉曲面簡單圖形

3. 3D幾何圖形網頁版:

簡單圖形旋轉曲面Klein BottleKlein Bottle 2

4. 射影幾何:

中心投影 (file)

 5. 微分幾何:

1. Fundamental theorem of curves (file)

2. example of surface : 1Klein bottle 1Klein bottle 2constant mean curvature surface by rolling the ellipse

3. Find tangent plane of surface

4. Find Gaussian curvature, mean curvature and principal curvature of surface

5. Geodesic curve (作圖參考資料:GB 5.0Geodesic curve SOP )