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  All Sites - 7025 items found, showing 2201 to 2250

  1. Geometry Assistant - ThinkQuest 1998
    An applet/application for drawing dynamic geometry constructions: move any movable point and Geometry Assistant will automatically recalculate and redraw the whole construction. The site includes a place to add your unsolved geometry problem, and a Library ...more>>

  2. Geometry Basics - Jaime Garmendia III; Interactive Mathematics Online (IMO)
    All the basics of geometry: Introduction; Angles and Lines; Conditionals, Unions, and Intersections; Measurement Formulas; Constructions; Greek Prefixes for polygons/polyhedra; Glossary; Sample problems; Stereograms: an Application of Geometry. ...more>>

  3. Geometry - BleezWorld
    App for Euclidean geometry constructions: points, lines, circles, line segments, triangles, and more. Also available in Chinese, Hindi, Korean, and Russian. ...more>>

  4. Geometry Construction Reference - Paul Kunkel
    The basics of compass and straightedge construction, with notes about The Instruments and What is a construction? Construct the perpendicular bisector or the midpoint of a line segment; given a point on a line, construct a perpendicular line through the ...more>>

  5. Geometry Constructions - Barry Sanders
    Constructions made using the Geometer's Sketchpad: Malfatti Circles (construct 3 circles internal to any triangle, each circle being externally tangent to the other two, and each touching adjacent sides of the triangle); Hart Circle (construct the circle ...more>>

  6. Geometry Daily - Tilman Zitzmann
    A new "geometric minimal composition" every day since January, 2010. Zitzmann, an interaction and graphic designer, "draws simple shapes, combines them and experiments until they start to 'sing,' then Photoshops them to have the look of "analog paper." ...more>>

  7. Geometry Discussion Groups - Math Forum
    A gateway to the archives of the Math Forum's online electronic community comprising eight geometry discussion groups for all those interested in geometry. Access current news or follow a link to threaded past discussions to browse or search the archive ...more>>

  8. Geometry - Elmer G. Wiens; Egwald Web Services Ltd.
    A collection of interactive geometric objects represented graphically including 3D-graphics, space curves, trigonometric functions, hyperbolic functions, and the trajectory of projectiles. ...more>>

  9. Geometry Everywhere - Betty R. Allen; Kodak
    An activity intended to make students more aware of geometric shapes and lines in objects around them. Students were divided into five groups, four to photograph geometric shapes and concepts at home, on the farm, in town, and at the lake, and one group ...more>>

  10. Geometry Expressions - Saltire Software
    A software package that allows you to interact with geometric figures numerically and symbolically. Explore classroom activities and student projects made with this interactive geometry system; read back issues of The Journal of Symbolic Geometry; purchase ...more>>

  11. Geometry Formulas and Facts - Silvio Levy; The Geometry Center
    Rewritten and updated excerpts from the 30th Edition of the CRC Standard Mathematical Tables and Formulas. Covers all of geometry, minus differential geometry. Very complete collection of definitions, formulas, tables and diagrams, divided into two- and ...more>>

  12. Geometry formulas - Sergey Kondratov
    Geometry formulas, each with interactive calculators: perimeters, areas, surface areas, volumes, radii, and more for plane shapes and bodies. ...more>>

  13. Geometry Forum Articles - The Geometry Center
    Articles on mathematical topics and about the Geometry Center by the Center's mathematics writers Evelyn Sander and Bob Hesse, originally posted on newsgroups hosted by the Geometry Forum (now the Math Forum). Articles are collected under the following ...more>>

  14. geometry-forum - Math Forum
    A discussion group accessible as a Web-based discussion, a mailing list, or a Usenet newsgroup. This was the main group for the Geometry Forum, the Math Forum's previous incarnation. Not currently used. Read and search archived messages. ...more>>

  15. Geometry Glossary - Jaime Garmendia III; Interactive Mathematics Online (IMO)
    Definitions of most of the words you'll need in geometry. Also some algebra and trig terms. ...more>>

  16. Geometry Homepage - ThinkQuest 1997
    Illustrated tutorials on many aspects of geometry, including: triangular geometry, the Pythagorean Theorem, polygonal geometry, polyhedra, and non-Euclidean geometry. Also includes a list of important geometric formulas. ...more>>

  17. Geometry In Action - David Eppstein, Theory Group, ICS, UC Irvine
    A collection of applications of computational geometry: areas in which ideas from discrete and computational geometry (meaning mainly low-dimensional Euclidean geometry) meet some real world applications, with brief descriptions of those applications ...more>>

  18. Geometry in Motion - Daniel Scher
    Direct interaction with geometric diagrams, courtesy of JavaSketchpad. The contents include a variety of curve-drawing devices (Intersecting Circles, Falling Ladder, Van Schooten's Parabola, and more); also other activities such as Constant Perimeter ...more>>

  19. Geometry in Motion - George Beck; MathSource
    Mathematica notebooks. MapPoint is a geometry program that combines the traditional geometric constructions of classical Euclidean geometry with the more dynamic geometric transformations of modern geometry. Many examples are given showing how to create, ...more>>

  20. geometry-institutes - Math Forum
    A discussion group accessible as a Web-based discussion, a mailing list, or a Usenet newsgroup. Postings include planning for and information about geometry institutes held around the country. The Forum's teacher workshops hold discussions on this group ...more>>

  21. Geometry - Interactive Mathematics Miscellany and Puzzles, Alexander Bogomolny
    More than 95 games or puzzles having to do with geometry, chaos, fractals, and topology with extensive discussions and solutions. Most require a browser capable of displaying JavaScript or Java. ...more>>

  22. The Geometry Junkyard - David Eppstein, Theory Group, ICS, Univ. of California at Irvine
    A collection of usenet clippings, web pointers, lecture notes, research excerpts, papers, abstracts, programs, problems, and other stuff related to discrete and computational geometry - some serious and much also entertaining. Junk sorted into piles (Topics): ...more>>

  23. Geometry (MathPages) - Kevin Brown
    "Informal notes" by Kevin Brown on geometry: constructing the heptadecagon, what mirrors do, the golden pentagon, the grazing goat and the lune, Napoleon's theorem, chess boards, Diophantine geodesic boxes, Zeno's mice and the logarithmic spiral, and ...more>>

  24. Geometry.Net
    An online learning center offering extensive lists of links to sites with material in Basic Math; Pure and Applied Math; Computer & Internet; Technology; Biographers; Physics; Biology; and Sports. ...more>>

  25. Geometry of Fullerenes - Slavik Jablan, Mathematical Institute, Belgrade
    Fullerenes (Buckminster Fuller) are considered from the points of view of geometry, graph theory and knot theory. Contents: Introduction; General fullerenes, graphs, symmetry and isomers; 5/6 fullerenes; Knot theory and fullerenes; "Perfect" fullerenes; ...more>>

  26. The Geometry of Perfect Parking - Simon Blackburn
    To parallel park, how much space do you need beyond the length of your own car? Invoking circles and the Pythagorean Theorem, this PDF shows how to write down a formula to navigate this everyday predicament of practical geometry. Written by a professor ...more>>

  27. Geometry of the Sphere - John C. Polking, Rice University
    This set of Web pages formed the text for part of the Advanced Mathematics course in the High School Teachers Program at the 1996 IAS/Park City Mathematics Institute. Material covered includes basic information about spheres, proof and consequences of ...more>>

  28. The Geometry of War, 1500-1750 - Museum of the History of Science, Oxford
    A virtual version of an exhibition from The Museum of the History of Science in Oxford on the uses of geometry in the art of warfare during the Renaissance. The site includes summaries that list the instruments and books in the exhibit and also provide ...more>>

  29. Geometry of War - Ivars Peterson (MathTrek)
    Leonardo da Vinci was not alone in his fascination with military technology. The University of Oxford's Museum of the History of Science is now featuring a fascinating online exhibition called The Geometry of War, 1500-1750. The 81 illustrations, accompanied ...more>>

  30. Geometry Online - Cynthia Lanius
    Geometry activities from a geometry class at Milby High School in Houston, Texas. Topics include: History of Geometry (contributions of Egyptians, Babylonians, and Greeks, with links to biographies of major contributors to geometry); Hidden Polygons (locate ...more>>

  31. Geometry On the Sphere (Geometry and the Imagination) - Conway, Doyle, Gilman, Thurston; The Geometry Center
    Great circles on the sphere are the analogs of straight lines in the plane. Such curves are often called geodesics. A spherical triangle is a region of the sphere bounded by three arcs of geodesics... Geometry on the surface of the sphere will come in ...more>>

  32. Geometry Out of Africa - Ivars Peterson (MathTrek)
    Two recent books that introduce African geometry. Geometry from Africa, by Paulus Gerdes, shows how one can discover or derive the Pythagorean theorem from African designs, explores the role of symmetry (with suggestions for home and classroom crafts ...more>>

  33. Geometry - Paul Bourke
    Explorations and renderings of various surfaces and forms, including knots, surfaces, 3D shapes, curves, algorithms, tilings, plexagons, etc. Formulae for Quadrics (Surfaces of degree 2); Superellipse and superellipsoid; SuperToroid (3D); Plexagons; Hexagonal ...more>>

  34. Geometry Playground - Daniel J. Heath, Joshua Jacobs
    Geometry Playground is a straightedge and compass construction tool for multiple geometries. The Java code is open-source, and the accompanying wiki includes hands-on discovery activities. ...more>>

  35. Geometry Playground - Exploratorium
    An exhibit from San Francisco's Exploratorium. People-sized exhibits let you use your hands, brain, and body to play with physical demonstrations of geometry concepts. Exhibits fall under the categories of seeing, moving, and fitting things together, ...more>>

  36. geometry-pre-college - Math Forum
    A discussion group accessible as a Web-based discussion, a mailing list, or a Usenet newsgroup, for discussions concerning school geometry curricula, teaching geometry, new software and texts, problems for students, and supplementary materials such as ...more>>

  37. Geometry Problem of the Week - Annie Fetter, the Math Forum
    The Geometry Problem of the Week (PoW) is a regular feature of the Math Forum, providing students an opportunity to answer questions and receive feedback and recognition from Forum staff. A Teacher Support page is available for some problems. ...more>>

  38. geometry-puzzles - Math Forum
    A discussion group accessible as a Web-based discussion, a mailing list, or a Usenet newsgroup, for interesting problems and conundrums that require only a knowledge of elementary geometry, and discussions of solutions. Read and search archived messages; ...more>>

  39. Geometry Reference Sheets & Mnemonics (S.M.A.R.T.) - Math Share Shop
    Methods of proving two angles congruent; Two angles are congruent, if...; Two triangles are congruent when...; When proving triangles congruent...; Right triangles; Quadrilaterals; Formulas of the Area; Summarizing geometry of the Triangle; Coordinate ...more>>

  40. The Geometry Section (Zona Land) - Edward A. Zobel
    Fractals (fractal tree, VRML fractal monoliths), common shapes (circle, rhombus, trapezoid), areas and volume (box, cylinder, box with cylindrical hole), coordinate geometry (VRML (x, y, z) Axes and Planes Worlds), and points, lines, and planes (symbol ...more>>

  41. Geometry (Seeing is Believing) - De Silva, D'Andreti; ThinkQuest 1997
    A geometry tutorial, comprising: the basic building blocks of geometry; segments and rays; angles; parallel lines; triangles; polygons; right triangles (Pythagorean theorem); geometric inequalities; ratios, proportions and similarities; trigonometry; ...more>>

  42. geometry-software-dynamic - Math Forum
    A discussion group accessible as a Web-based discussion, a mailing list, or a Usenet newsgroup. This group focuses on discussion of such geometry software programs as The Geometer's Sketchpad and Cabri Geometry II. Read and search archived messages; and ...more>>

  43. Geometry Then and Now - Jordana Wiener; Tufts University
    Final paper for a Greek Science course at Tufts. Introduction: Although present day society is technically dimensions ahead of the ancient Greeks, we owe much of our progress to them. What is amazing is not so much that we are more scientifically advanced ...more>>

  44. Geometry through Art - Norman Shapiro
    Lesson ideas, facilitation suggestions, lists of materials needed, and handouts to photocopy. Norman Shapiro focuses on the student as investigator, learning through doing, and using perception to stimulate the motivation for more developed concepts and ...more>>

  45. Geometry Turned On: Dynamic Software in Learning, Teaching, and Research - J. King and D. Schattschneider, Editors
    This book contains twenty-six papers about aspects of dynamic software for geometry. The book does not contain software itself, but this site includes downloadable files for many of the papers in the book. For a discussion of what the book is about, see ...more>>

  46. Geometry Web Page - Ephraim Fithian; Kutztown University
    Sixteen geometry activities: Tangrams; Golden Ratio; Geoboard; Polygons; Symmetry; Constructions; Polyominoes and Polyiamonds; Star Polygons; Special Points in Polygons; Polygon Tessellations; Kaleidoscope Tessellations; Escher Tessellations; Space Cubes; ...more>>

  47. geometrywiz - Teresa Ryan
    Blog subtitled "learning about learning and teaching mathematics." Posts, which date back to November, 2013, have included "Reflecting on Learning Objectives," "Reflections and Inquiry," "What Started as Tough, Becomes Good," "Refresh, Reflect, and Reinvent," ...more>>

  48. Geomview: 3D Visualization Software - The Geometry Center
    An interactive program written by the staff of the Geometry Center for viewing and manipulating geometric objects. It can be used as a standalone viewer for static objects or as a display engine for other programs that produce dynamically changing geometry. ...more>>

  49. George Pólya - Australian Mathematics Trust
    A biography of the mathematician that discusses his solution of the random walk problem, influential books on problem-solving, Enumeration Theorem and Necklace Theorem, and efforts in curriculum development, reform, and competitions. The biography mentions ...more>>

  50. George Washington School Copy Book - Library of Congress
    Scans of a school copy book handwritten by the future first U.S. President in 1745, when 14 or 15 years old. Together with a second book, these reveal geometrical definitions and problems, surveying, mensuration, multiplication and division, simple interest, ...more>>

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