Mike's Cool Examples

Michael Borcherds, Jun 7, 2017


  • 1. Draggable Inequality Demo
  • 2. Demo: White border around the edge
  • 3. Demo: draggable angle greater than 360° (prototype clock)
  • 4. Gradient Fill Demo
  • 5. Bounding box for an ellipse
  • 6. Draw your own Cumulative Frequency Curve
  • 7. Testing if a point is inside a triangle (3 methods)
  • 8. Draw a sine wave - how accurately can you manage?
  • 9. Morphing Polyhedra
  • 10. Hyperbolic paraboloid (Polypropylene + Laser Cutter)
  • 11. Linkage with non-90° joint
  • 12. The Gear Curve
  • 13. Ellipse linkage (van Schooten)
  • 14. Anscombe's Quartet
  • 15. Playing Card Tool (SVG)
  • 16. Soma Cube (240 solutions)
  • 17. Can you climb through a sheet of paper?
  • 18. Filled Shape using Parametric Curves
  • 19. Random Country Outlines
  • 20. Sliceform Cone
  • 21. Formula for number of days in each month
  • 22. Parametric "e"
  • 23. Ultimate SVG protractor
  • 24. Parametric equation of a regular pentagon
  • 25. 7 Mutually Touching Cylinders
  • 26. Exact Cubic Solver
  • 27. Equation of a Conic through 5 Points (using determinants)
  • 28. Family of Lissajous Curves
  • 29. Breaking a rod into 3 random pieces (simulation)
  • 30. Triomino Tessellation (based on a proof by induction)
  • 31. Snowflake Template
  • 32. Template for "Crazy paper thing"
  • 33. Rotational Symmetry order 4 (make your own)
  • 34. Voronoi Diagram Animation
  • 35. Pythagoras Tree
  • 36. Transforming a Heart into Mickey Mouse
  • 37. Crease pattern for an origami hyperbolic paraboloid
  • 38. Limaçon
  • 39. Angle Trisection Neusis
  • 40. Stirling Recording Chart
  • 41. Tessellation of a general quadrilateral
  • 42. Template for "slide togethers"
  • 43. Steiner's Porism
  • 44. A single equation for a smiley face
  • 45. Demo: Tangents to a quartic curve
  • 46. SurdText example
  • 47. Miura Ori Crease Pattern
  • 48. Star Template
  • 49. Patterns in decimals (rational / recurring/ irrational)
  • 50. Baryon Decuplet
  • 51. Find the shortest distance between two points
  • 52. How to fill an arbitrary shape
  • 53. Common Tangents to 2 Parabolas
  • 54. Demo: Cancel dragging an object
  • 55. Demo: Reflected Image
  • 56. Volume of Revolution (2012!)
  • 57. Examples with TableText for html5
  • 58. Factored Polynomial Demo
  • 59. LaTeX color calculator for the \textcolor command
  • 60. Tangent to Freehand Function (mockup)
  • 61. 3D Point Snapping using Dynamic Coordinates
  • 62. LaTeX Tables with merged cells & columns
  • 63. DynamicCoordinates() Demo: stick to extrema
  • 64. How to create a 3rd Graphics View in GeoGebra
  • 65. Demo: DataFunction() for piecewise linear function
  • 66. Demo: Animated GIF / multi-page PDF export with ExportImage()
  • 67. Demo: click image to rotate
  • 68. Demo: how to shade regions (by Mathmagic)
  • 69. Demo: open webpage using JavaScript
  • 70. Dynamic Coordinates Demo (drag polygon)
  • 71. Demo: Continuous Piecewise Integral
  • 72. setTimeout() emulation in GeoGebra Classic 5
  • 73. Demo: constrain a Segment to 15° intervals
  • 74. Demo: 3 Graphics Views showing f(x), f'(x), f''(x)
  • 75. Demo: defining a numerical integral using Locus(), Sort() and DataFunction()
  • 76. Demo: label x-axis in hours:mins
  • 77. Demo: draggable bar (for barchart etc)
  • 78. Demo: Point on Piecewise
  • 79. Demo: random fraction in LaTeX function
  • 80. Demo: print image with a little JavaScript
  • 81. SetPerspective Demo (switch between Graphics and Spreadsheet)
  • 82. Demo: Play inlined MP3 with PlaySound("data:audio/mp3;base64,SUQz...")
  • 83. Demo: rational coefficients for a function
  • 84. Demo: robust script event when slider resets
  • 85. Demo: snapping using DynamicCoordinates()
  • 86. Demo: fixed length segment using DynamicCoordinates()
  • 87. Demo: count number of times A is in same position as B
  • 88. Demo: ggbApplet.getDefinitionString()
  • 89. Demo: Peepholes
  • 90. Demo: locus filling trick for section of an annulus
  • 91. Input Box Alignment
  • 92. Demo: check DE solution without CAS
  • 93. Demo: draggable point that stays on the vertex of a parabola when updated
  • 94. Demo: center-aligned text
  • 95. Demo: count points in a polygon
  • 96. Matrix example (horse)
  • 97. Demo: Input Box for function with fractional coefficients
  • 98. Sphere packing demo (cell division)
  • 99. Animation using a "spritesheet" (single tiled image)
  • 100. Demo: Constrain point to concentric circles using DynamicCoordinates()
  • 101. Demo: using Sort(list of points)
  • 102. Dino Stats
  • 103. Demo: export images using the JavaScript API
  • 104. JavaScript API Example: registerAddListener()

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Draggable Inequality Demo

– Michael Borcherds

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