| Planar_Machines_-_an_Invitation_to_Topology_ Java applets exploring configuration spaces. |
| Topics_in_Mathematics_-_Topology In the Mathematics Archives at University of Tennessee, Knoxville. |
| Topological_Methods_in_Group_Theory Table of contents only, but draft chapters can be downloaded by arrangement. |
| Topology Descriptions and illustrations of several topological and differential geometry related notions. |
| Topology_Atlas Preprints, abstracts, calendar, links, other resources. |
| Topology_Glossary Definitions of over 100 terms in topology. |
| Topology_of_Manifolds__Supersymmetry_and_QFT This is the web resource page for a course taught by John Morgan in Fall 1997 at Columbia University. |
| TTT_on_WWW The Transpennine Topology Triangle is a topology seminar partially supported by the London Mathematical Society with vertices at Leicester, Manchester and Sheffield. |
| What_is_Topology? An introductory essay by Neil Strickland, University of Sheffield. |
| Archimedes\'_Book_of_Lemmas A collection of all 15 propositions from Archimedes' Book of Lemmas with complete proofs, each accompanied by a Java illustration. |
| Bette_Veteto\'s_Homepage History of Mathematics, very strong on geometry. |
| 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. |
| 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 |
| The_Complete_Quadrilateral Several properties of the complete quadrilateral illustrated with Java applets |
| Conjectures_Produced_by_the_Program_Graffiti Graffiti is a computer program that makes conjectures in mathematics and chemistry. Links to the conjectures and bibliography. |
| Cuboid_and_Cube_Surface_Distances A java applet with substantial analysis related to distances on a rectangular box. |
| Cut_the_Knot Features articles about specific problems, illusions, and puzzles. Includes diagrams. |
| Encyclopedia_of_Triangle_Centers By Clark Kimberling. Over 1000 triangle centres in a searchable compilation with diagrams. |
| The_Entropy_Reduction_Laboratory_by_Karl-Dietrich_Neubert Discusses double shell structured periodic systems, platonic spheres, molecular and crystal structures, and FlashSort algorithms. |
| Erich\'s_Packing_Center Graphics and links for various packing, tiling and covering problems. |
| Fundamentals_of_Geometry Free online book on geometry in pdf format. Contains material not easily found elsewhere from detailed exposition of elementary absolute geometry based on Hilbert's axioms to more advanced topics. |
| A_Gallery_of_Interactive_On-Line_Geometry At the Geometry Center. |
| Geometric_Group_Theory Information and resources about geometric group theory and low-dimensional topology. People, groups, meetings, links. |
| Geometry_Activities By Ephraim Fithian. |
| 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. |
| 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. |
| 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. |
| 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. |
| Geometry_in_Action Includes collections from various areas in which ideas from discrete and computational geometry meet real world applications. |
| The_Geometry_Junkyard Usenet clippings, web pointers, lecture notes, research excerpts, papers, abstracts, programs, problems, and other stuff related to discrete and computational geometry. |
| Geometry_Page_from_Interactive_Mathematics_Miscellany Includes articles on topics in elementary and not so elementary geometry, many with interactive Java illustrations and multiple proofs. |
| GLaD_Comments A new type of geometric construction that was discovered by Dan Litchfield and David Goldenheim. Includes general explanation and sketch examples. |
| The_Kepler_Conjecture Information on the recent proof of Kepler conjecture on sphere packings. |
| The_Lepidoptera_of_the_Circles The Butterfly theorem and its generalizations illustrated by Java applets. |
| Math_3210_-_Higher_Geometry_I Course notes by Bill Cherowitzo. |
| 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. |
| Math_Forum__Geometry_research Discussion board for geometry professors and instructors to keep informed of the latest research. |
| Math_Forum__Search_geometry-forum Those interested in examining the previous incarnation of the Math Forum may search the archives of the Geometry Forum. |
| Mathematical_Curves_and_Surfaces Graphical representations of computer generated forms. (French/English). |
| 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'. |
