Geometer's Sketchpad files by Kang Soon Ja

• Regular Polyhedra (The Platonic Solids):Openning and closing of Hexahedron(Á¤6¸éü), Octahedron(Á¤8¸éü), Icosahedron(Á¤12¸éü), Dodecahedron(Á¤20¸éü).
• Curves:Construction  of  Sine curve,  Cosine curve, Tangent curve , Cycloid, Parabola, Hyperbola, Ellipse1. Ellipse2, Graph of Quadratic curve, Sine curve.
  
• Construction:Bisector of angle, Bisector of segment, Parallel line1, Parallel line2.
• Eulerian graph:Star and  house
• Minimizing the distance: work1, work2
  
• Cutting Polyhedra:work3, work4
  
• Connecting midpoints of sides:Connecting midpoints of polygone.
• Range bounded by curves: Inquality.

Geometer's Sketchpad files from the class, "Mathematics using computer" in the Summer of 1998.

Park In: Rotation of a square, Doubling of a polygon, Doubling of a prism, Doubling of a triangle, Doubling of a rectangle.
Jung Youngsoon: Change1, Change2.
Jung Keechae: Arithmetic of two complex numbers.
Jung Sunhee: Transform1, Transform2.
Kim Dongbok: Eulerian circuit.
Instructor's work

Geometer's Sketchpad files from the junior high, high school teacher training course of 1999 Winter:

• Kang Minra(¿Áõ¿©»ó): Drawing a parallel line to a given line.
• Kang Wookon(»ï°èÁ¾°í): Maximizing a volume of a rectangular box for a given surface area.
• Kim Kwangyeoul(´ë±¤¿©°í): Congruent triangles.
• Kim Misung(±¤ÁÖÈ­Á¤Áß): Drawing a perpendicular line to a given line.
• Kim Jongyoon(¼­¼®°í): Vector sum and difference.
• Na Yoonsung(¸ñÆ÷´öÀÎÁß): Expansion of a triangle.
• Shin Gyunghee(±¤´öÁß): Pythagorean theorem.
• Shin Sangsoo(±¤ÁÖÁ¦ÀÏ°í): Opening and closing of a rectangular box, Eulerian graph.
• Yoon Wonjoo(±¤Áֽǰí): Congruent triangles.
• Lee Kyungbum(´ë±¤¿©°í): Various sections of a rectangular box.
• Cho Jungkee(°í·ÁÁß): Expansion of a triangle.
• Bae Jungsong(È­¼øµ¿¸éÁß): Eulerian graph.

Geometer's Sketchpad files and a report file from Kwangju Science High School:

• rotating a triangle: triangle.gsp
• rotating a rectangle: rectangle.gsp
• rotating a pentagon: pentagon.gsp
• On Plane Geometry using GSP: report.hwp (in Korean)