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Constructions, Investigations, Activities

Links in English

  • Flatland

    A work-in-progress online investigation into shape perception inspired by Edwin Abbott's classic mathematics "Romance in Many Dimensions" [USA].
  • More Flatland

    Mark Schlatter's "How to Correctly View a Flatland Painting" uses JavaSketchpad to extensively explore perspective drawing [USA].
  • JavaSketchpad in Linear Algebra

    A collection of linear algebra activities presented and discussed in the article "Tool Building: Web-based Linear Algebra Modules " by David Meel and Thomas Hern in Journal of Online Mathematics and its Applications [USA].
  • Geometry in Motion

    Daniel Scher's activities on conic sections, computer art, and more [USA].
  • Discovering Algebra

    A collection of online high school algebra activities illustrating and amplifying lessons in Murdock, Kamischke, and Kamischke's Discovering Algebra: An Investigative Approach [USA].
  • Discovering Advanced Algebra

    A collection of online high school advanced algebra activities illustrating and amplifying lessons in Murdock, Kamischke, and Kamischke's Discovering Advanced Algebra: An Investigative Approach [USA].
  • Discovering Geometry

    A collection of online high school geometry activities illustrating and amplifying lessons in Michael Serra's Discovering Geometry [USA].
  • Precalculus with Trigonometry

    A collection of online high school precalculus activities illustrating and amplifying lessons in Paul A. Foerster's Precalculus with Trigonometry: Concepts and Applications [USA].
  • Constructing a Three-dimensional Solid

    Annie Fetter's walkthrough and its corresponding 2D net [USA].
  • Cancer and Mathematics

    James Dildine's site about geometric detection and analysis of cancer cells [USA].
  • Paul Kunkel's Mathematics Lessons

    Paul Kunkel's detailed mathematics lessons, including Sketchpad and JavaSketchpad material [USA/Hong Kong].
  • MathsNet

    Bryan Dye's collection of JavaSketchpad investigations, constructions, and definitions [UK].
  • Clark Kimberling JavaSketchpad Gallery

    Clark Kimberling has a gallery of JavaSketches on his Web site that correlate to Geometry in Action [USA].

Links in Other Languages

  • Desenhos

    Over 50 pages of well-commented constructions, theorems, and diversions in Euclidean and projective geometry by João Costa and colleagues. (The Arte and Divertimentos sections are well worth visiting even if you don't read Portuguese!) [Portugal; in Portuguese].
  • Aproged

    A collection of descriptive geometry and art work from a Portuguese association of secondary and post-secondary teachers. [Portugal; in Portuguese].
  • JavaSketchpad Encyclopedia of Curves

    Y. C. Chuan's formidable collection of over 100 classical curves, as well as many interesting and uncommon linkages, illustrated as JavaSketches [Taiwan].
  • Trigonometric Functions

    Constructions of six common trigonometric functions from the Chinju Foreign Language High School of South Korea [Korea; in Korean].
  • MathFrontier

    Collection of sophisticated algebra and calculus material, dynagraphs, and extensive gearage linkages. Includes several examples of integration between JSP and other technologies, such as extra-applet action buttons [Korea; in Korean].
  • Curves, Algebraic Activities, and Other Sketches

    A detailed look at the Pythagorean Theorem, as well as a collection of curves, algebraic activities, and other sketches from Instituto de Matemáticas, DGSCA and Facultad de Ciencias at UNAM [Mexico; in Spanish].
  • Cristina Lopes's Activities

    Cristina Lopes's activities on octahedra, conic sections, and light topics [Portugal; in Portuguese].
  • Allan Bergmann Jensen's Symmetries, Patterns, and Tessellations

    Allan Bergmann Jensen's Symmetries, Patterns, and Tessellations Constructed with The Geometer's Sketchpad. An introduction to formal definitions of symmetry groups, with many sketches and JavaSketches and a comprehensive set of reference links [Denmark; in Danish].
  • Introduction to Conics from UNAM

    Sergio Lopes Luna's Introduction to Conics from UNAM [Mexico; in Spanish].
  • Geometría Interactiva

    María Juana Linares Altamirano's thesis on interactive geometry using JavaSketchpad, under the direction of Dr. Carlos Hernández Garciadiego [Mexico; in Spanish].
  • Precálculo Interactiva

    Héctor de Jesús Argueta Villamar's thesis on interactive precalculus using JavaSketchpad, under the direction of Dr. Carlos Hernández Garciadiego [Mexico; in Spanish].