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Home / Science / Math / Geometry
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Web Sites
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- A Gallery of Interactive On-Line Geometry - At the Geometry Center.
www.geom.umn.edu/apps/gallery.html
- A New Way to Calculate a Triangle's Area - Using the length of the three sides. The proof is better understood than the old one.
hometown.aol.com/tienchien/myhomepage/find_triangle_area.html
- Allexperts Geometry Q&A - Volunteer tutors help you work through your geometry problems for free.
www.allexperts.com/getExpert.asp?Category=2060
- ArXiv Front: MG Metric Geometry - Metric geometry section of the mathematics e-print arXiv.
front.math.ucdavis.edu/math.MG
- ArXiv Front: SG Symplectic Geometry - Symplectic geometry section of the mathematics e-print arXiv.
front.math.ucdavis.edu/math.SG
- Bette Veteto's Homepage - History of Mathematics, very strong on geometry.
www.people.memphis.edu/~brveteto
- Bob's Pages - A collection of interactive geometry applets. Topics include polyhedra, Poncelet's porism, Soddy's hexlet, Mandelbrot set, Steiner porism,Pappus's chain,Repulsion polyhedra and stereo pictures.
members.ozemail.com.au/~llan
- Center of Points in 2- or Higher-dimensional Space - It provides important formulations for finding a center of points in 2 or higher dimensional space. It can be used in drawing delauney triagulation and voronoi diagram in two or higher dimensions. It also describes how many points are required in defining a center in n-dimensional space.
www.geocities.com/kiranisingh/center.html
- Colin and Greg's Golden Ratio Page - This is an informative site on an interesting aspect of Geometry: The Golden Ratio.
members.tripod.com/~ColinCool/mathindex.html
- Conjectures Produced by the Program Graffiti - Graffiti is a computer program that makes conjectures in mathematics and chemistry. Links to the conjectures and bibliography.
cms.dt.uh.edu/faculty/delavinae/research/wowref.htm
- Cuboid and Cube Surface Distances - A java applet with substantial analysis related to distances on a rectangular box.
www.btinternet.com/~se16/js/cuboid.htm
- Diamond Theory - Plato tells how Socrates helped Meno's slave boy "remember" the geometry of a diamond. Twenty-four centuries later, this geometry has a new theorem.
m759.freeservers.com
- Encyclopedia of Triangle Centers - By Clark Kimberling. Over 1000 triangle centres in a searchable compilation with diagrams.
cedar.evansville.edu/~ck6/encyclopedia
- Erich's Combinatorial Geometry Page - Various topics collected by Erich Friedman, Stetson University.
www.stetson.edu/~efriedma/comb.html
- Erich's Packing Center - Graphics and links for various packing, tiling and covering problems.
www.stetson.edu/~efriedma/packing.html
- Fibonacci Numbers and the Golden Section - This is the Home page for the Fibonacci numbers, the Golden section and the Golden string. Department of Computing School of Electronic Engineering, IT and Mathematics, University of Surrey, UK.
www.mcs.surrey.ac.uk/Personal/R.Knott/Fibonacci/fib.html
- Geometric Group Theory - Information and resources about geometric group theory and low-dimensional topology. People, groups, meetings, links.
www.math.ucsb.edu/~jon.mccammond/geogrouptheory
- Geometry Activities - By Ephraim Fithian.
homepage.mac.com/efithian/geometry.html
- Geometry and the Imagination in Minneapolis - Geometry exercises for a two-week summer workshop led by John Conway, Peter Doyle, Jane Gilman and Bill Thurston at the Geometry Center in Minneapolis, June 1991.
www.geom.umn.edu/docs/doyle/mpls/handouts/handouts.html
- Geometry Center - Web site for the (now closed) Center for the Computation and Visualization of Geometric Structures at the University of Minnesota. Graphics, multimedia, software, teaching resources.
www.geom.umn.edu
- Geometry Formulas and Facts - Excerpts from the 30th Edition of the CRC Standard Mathematical Tables and Formulas (1995), namely, the geometry section minus differential geometry.
www.geom.umn.edu/docs/reference/CRC-formulas
- Geometry from the Land of the Incas - Presents problems involving circles and triangles, with proofs, SAT practice quizzes and famous quotes. Also, has examples of geometry in Peruvian culture.
agutie.homestead.com
- Geometry Homework Help - GeometryHomework.com offers homework help and online tutorials for grades 7-12 with detailed lessons, quizzes, interactive tests and solved problems.
www.geometryhomework.com
- Geometry in a Triangle - A lot of classic constructions in the triangle. And more non-classic. Free. Applet and programs for Windows, Mac OS9 and Mac OSX.
perso.wanadoo.fr/chavaignes/Cafe/Triangle/TriangleBase.html
- Geometry in Action - This page collects various areas in which ideas from discrete and computational geometry meet some real world applications.
www.ics.uci.edu/~eppstein/geom.html
- Geometry Machine - 3D virtual reality geometrical images of vectors, lines and planes. Needs a VRML viewer or plugin such as live3D.
www.scit.wlv.ac.uk/~cm1993/geometry/INTRO.HTM
- Geometry Page from Interactive Mathematics Miscellany - More than 120 articles on topics in elementary and not so elementary geometry, many with interactive Java illustrations and multiple proofs.
www.cut-the-knot.com/geometry.html
- GeomNet - Family of geometric computing servers execute a variety of geometric algorithms on behalf of remote clients, which can be either users interacting through a Web browser interface or application programs connecting directly through sockets.
loki.cs.brown.edu:8081/graphserver
- GLaD: Introduction - A historical introduction to a new Euclidean construction by David Goldenheim and Daniel Litchfield. Dynamic Geometer's Sketchpad files are included.
world.std.com/~wij/glad/index.html
- Intensified Geometry Curriculum Review - A comprehensive, illustrated review of concepts covered in an Intensified Geometry textbook/class.
www.charm.net/~bradj/geometry
- Manipula Math with Java - Java applets demonstrating many geometrical and other theorems
www.ies.co.jp/math/java/index.html
- Math 3210 - Higher Geometry I - Course notes by Bill Cherowitzo.
www-math.cudenver.edu/~wcherowi/courses/m3210/m3210.html
- Math Forum: Geometry POW/POM Search - Search the Geometry Problem of the Week's archive of creative, non-routine challenges, as well as submissions and commentary, dating back to 1993.
mathforum.com/powgrepform.html
- Math Forum: Search geometry-forum - Those interested in examining the previous incarnation of the Math Forum may search the archives of the Geometry Forum.
mathforum.org/discussions/epi-search/geom.forum.html
- Math Forum: Search geometry-research - Geometry professors and instructors may keep informed of the latest research conducted in their field at the geometry-research discussion list.
mathforum.org/discussions/epi-search/geom.research.html
- Mathematical Curves and Surfaces - Graphical representations of computer generated forms. (French/English).
perso.wanadoo.fr/roger.assouly
- Mathematical Surfaces - A collection of parametric and implicit equations.
www.uib.no/People/nfytn/mathgal.htm
- Menelaus' Theorem and its Applications - Theorems involving Menelaus' theorem and some applications of Menelaus' theorem to geometry problems.
hamiltonious.virtualave.net/essays/othe/finalpaper4.htm
- Morley's Miracle - A discussion of Morley's famous theorem and the research of which it was a tiny part. 5 proofs are given including J. Conway's, D. Newman's, and A. Connes'.
www.cut-the-knot.com/triangle/Morley/index.html
- Occurrence of the Conics - Images of conics by Jill Britton.
ccins.camosun.bc.ca/~jbritton/jbconics.htm
- On the Fourth Dimension - Concepts of the fourth dimension explained simply.
www.mninter.net/~jmcmanus/4d
- Packomania - This site collects the best known packings of equal objects in containers together with source codes to obtain them numerically.
hydra.nat.uni-magdeburg.de/packing/packing.html
- Paul Bourke's Geometry Page - Includes formulas, definitions and three dimensional image illustrations.
astronomy.swin.edu.au/~pbourke/geometry
- Problem of the Minimum Rotation Surface - Java applet demonstrating the catenary.
home.ural.ru/~iagsoft/PMRS_J.html
- Steiner Surfaces - Mathematical descriptions and ray-traced images of every type of Steiner surface
www.ipfw.edu/math/Coffman/steinersurface.html
- The 4th Dimension - Visual and mathematical descriptions of higher dimensional objects, with Java applets for displaying and rotating images such as Steiner surfaces, Klein bottles, and minimal surfaces.
members.tripod.com/shiner17/4D/The4thDimension.htm
- The Educational Validity of Visual Geometry - Ph.D. thesis of Marius Blok (Hull, U.K., 1998). 'Educational Geometry' is based on visual geometry, linked to philosophy and visual art and the learning is free of the application of formulae or the use of computations.
www.rendo.dekooi.nl/~som
- The Entropy Reduction Laboratory by Karl-Dietrich Neubert - Discusses double shell structured periodic systems, platonic spheres, molecular and crystal structures, and FlashSort algorithms.
www.neubert.net
- The Geometry Forum - An electronic community focused on geometry and math education based at Swarthmore college.
freeabel.geom.umn.edu/docs/forum
- The Geometry Junkyard - Usenet clippings, web pointers, lecture notes, research excerpts, papers, abstracts, programs, problems, and other stuff related to discrete and computational geometry.
www.ics.uci.edu/~eppstein/junkyard
- The Geometry of the Sphere - This material was the text for part of the Advanced Mathematics course in the High School Teachers Program at the IAS/Park City Mathematics Institute at the Institute for Advanced Study during July of 1996.
math.rice.edu/~pcmi/sphere
- The Kepler Conjecture - A great source of information on the recent proof of Kepler conjecture about sphere packings.
www.math.lsa.umich.edu/~hales/countdown
- The Math Forum's K-12 Geometry - Select classroom materials for geometry teachers and students, software for geometry, interactive geometry classroom resources, Internet projects, selected geometry elsewhere on the Internet, and public forums for discussing geometry.
mathforum.com/geometry
- Thinkquest Library's Geometry Page - Covers rules for angles, right triangles and plane figures. Also, has a trigonometry section.
library.thinkquest.org/10030/geocon.htm?tqskip1=1&tqtime=0420
- Tim Lister's Hyperbolic Geometry - Cabri constructions for the demonstration of the basic concepts of hyperbolic geometry in the Poincare disc model.
mcs.open.ac.uk/tcl2/nonE/nonE.html
- Wallpaper Groups - Images and descriptions of the 17 plane symmetry groups.
www.clarku.edu/~djoyce/wallpaper
- Wilson Stothers' Inversive Geometry and CabriJava Pages - A page on inversive geometry with CabriJava illustrations. Includes Steiner's Porism and the arbelos.
www.maths.gla.ac.uk/~wilson/cabripages/inversive/inversive0.html
- Xah's Personal Page - Features an illustrated dictionary of special plane curves, a paper on wallpaper groups, mathematics image gallery and links to software packages.
xahlee.org/PageTwo_dir/more.html
- Xah: Visual Dictionary of Special Plane Curves - A Visual Dictionary of Special Plane Curves with graphics.
www.xahlee.org/SpecialPlaneCurves_dir/specialPlaneCurves.html
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