Some Interesting Geometry Sites
 an
annotated bibliography of more than 200 books,
maintained by David Henderson at Cornell
 For those interested in teaching (or looking for
information related to their projects and high school
teaching, there is a new NCTM site, including the Mathematics Teacher.
 A resource on the integration of geometry into
mathematics teaching is the
Connected Mathematics project
 The
Math Forum (formerly the Geometry Forum) at
http://www.forum.swarthmore.edu/. This has a great deal of
information on many areas of math, including high school teaching.
 This site is also host to several
geometry related lists, including geometryprecollege
(for people interested in K12 geometry teaching).
Check the
Geometry Forum Newsgroups page
for archives and information on subscribing.
This is a good source of information on teaching geometry
with applications.
 The
Geometry page at the Math Forum is particularly nice. It may be a good source of information for projects etc.
 The resources of the Geometry Center include downloadable software for
tiling the plane, or the sphere, or the heyperbolic plane.
 A site with
Euclid's Elements, both text and nice 'draggable'
diagrams (if you have a reader which is Java enabled).
 A site on
polyhedra  great ideas for 'model building'
projects and 3D geometry.
 A site with information on the
Penrose 'Aperiodic Tilings' related to quasicrystals.
A second site gives a
Penrose Java Applet for playing with these tilings
 The GEOMETRY JUNKYARD from David Eppstein, Theory Group, ICS, UC Irvine is a collection of Usenet clippings, Web pointers, lecture
notes, research excerpts, papers, abstracts, programs,
problems, and other material related to discrete and
computational geometry  some serious and much also
entertaining.
A related site devoted more to applications is
Geometry in Action
 The english version of the dynamic geometry software EUKLID
(shareware)
is available at the
author's homepage
 Here is a site about
Diagrammatic Reasoning on the general
area of visualization and visual reasoning.
 Here is another site with abstracts of related papers
at an recent workshop .
 an illusions site with a large collection of visual illusions,
how they work, possible projects etc
 information on all the
convex uniform polychora (singular:
polychoronany fourdimensional polytope)
 a theorem prover which is the core of a french dynamic
geometry software Windows demo version) . To read articles about experiments in classrooms with this software
you can directly go to :
It's all in french
 Here is a site on
The Fourth Dimension with a vairety of links, puzzles etc.
 Here is a site with information on a one day symposium
about
Exploring New Frontiers in Geometry:
in the World Around Us and in Our
Classrooms at the AAAS (American Association for the
Advancement of Science) 150th anniversary celebration Annual Meeting and Science Innovation
Exposition in Philadelphia, February 1217, 1998.

There is a page of information about some
projects in Math 3050: Introduction to Geometries.
 A site with general information on
how to cope with
mathematics course
You can send a message by clicking on this email link:
whiteley@mathstat.yorku.ca
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