My Collection

Anthony OR 柯志明


  • 1. Fibonacci spiral
  • 2. Radians in Unit Circle
  • 3. 垂心即內心
  • 4. Car Race
  • 5. String Art Based on Bézier Curves
  • 6. String Art Triangle Example
  • 7. String Art Quadrilateral Example
  • 8. Polar Grapher with Tranformations
  • 9. Wielokąt z przekątnymi / Regular polygon with diagonals
  • 10. A single equation for a smiley face
  • 11. Escher's Lizard Tessellation
  • 12. Triangle Rotation Tessellation Step Number 8 finish tessella
  • 13. Triangle Tessellation 6
  • 14. Hexagon Tiling
  • 15. Escherized Tessellation
  • 16. Spirograph
  • 17. Linear Stars
  • 18. 塗色
  • 19. Polygonal Flowers
  • 20. Spiral Patterns with Shape
  • 21. Spiral Patterns.
  • 22. Swirling Heptagrins
  • 23. Six Decorative Curves (1).
  • 24. 愛上貝氏曲線 (Love for Bezier)
  • 25. Animation: Expanding square
  • 26. Penrose Tiles without Matching
  • 27. Duality with triangles, hexagons, squares, dodecagons
  • 28. 廣義角
  • 29. Spirograph Simulator
  • 30. Convex Hexagon Tessellations
  • 31. Polygon Portals
  • 32. 相似形的題目
  • 33. Centrafugal Force in a Rotating Frame
  • 34. The Law of Cosines
  • 35. A Parametric Cat
  • 36. Spirolaterals
  • 37. LaTeX examples from GeoGebra wiki
  • 38. LaTeX color calculator for the \textcolor command
  • 39. Cats on ladder
  • 40. phénakistiscope
  • 41. Following Judah Schwartz
  • 42. Automatic checking example
  • 43. Coherent wave interference
  • 44. Wave interference
  • 45. Jet of water
  • 46. puzzle
  • 47. Un altre llum
  • 48. 旋轉的概念
  • 49. poule
  • 50. disance parcourue
  • 51. DynamicCoordinates[] demo (snap to list)
  • 52. Section de pyramide (lunettes anaglyphes)
  • 53. Four color challenge
  • 54. Leg of Theo Jansen's Strandbeest
  • 55. Watt's curve
  • 56. Tangent Triangle
  • 57. Gnomonic Growth of the Nautilus
  • 58. Bridget Riley Bands
  • 59. Movimiento relativo de traslación uniforme
  • 60. Tanton Circle Problem
  • 61. Elapsed Time
  • 62. From Pascal's triangle to Sierpinski's triangle
  • 63. Vidal Symmetric String Art
  • 64. Chaos Game
  • 65. Chaos Game 2
  • 66. Dot Counter
  • 67. Fun with spline
  • 68. climbing
  • 69. Factorization - Visual illustration of divisor pairs
  • 70. Langley's problem
  • 71. Achill und die Schildkröte
  • 72. Moss Egg or Euclidean Egg
  • 73. Demo: Fix/unfix pan/zoom with scripting
  • 74. Demo: Pan but no zoom (by rami)
  • 75. Slide puzzle
  • 76. Tower of Hanoi
  • 77. 愛心曲線
  • 78. 曲線方圓變化的原理
  • 79. Rotating hexagonal segments
  • 80. Convert LaTeX online to SVG or PNG
  • 81. A Dozen Rolling Triangles
  • 82. Larry's Clock

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Fibonacci spiral

Fibonacci spiral
– sonom

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Мэдээлэл