Links to related Web Pages
 David Royster's Hyperbolic Geometry course (University of North Carolina  Charlotte).
 A course given in Fall 1996 which is similar to Higher Geometry I but uses a different text. Extensive notes.
 Alexander Bogomolny's Introduction to Proofs Page (CTK Software)
 Contains a number of nicely presented proofs.
 Peter Alfeld's Understanding Math Page (University of Utah)
 Contains a lot of hints to get over the hurdles of understanding mathematics and proofs.
 Leslie Lamport's Writing Proofs Page (DEC)
 Two papers  the first is probably more useful  on how to write proofs, can be downloaded as .ps, .dvi or latex files.

Euclid's Elements, annotated by David E. Joyce at Clark University.
 This is an excellent web tour through one of the greatest
works of all time.
 University of British Columbia's Pythagorean Theorem.
 A java animated proof of the famous theorem.

Geometry, by Paul Bourke at Mental Health Research Institute, Australia
 Mostly this is a well kept gallery, with a special page on the
Platonic solids. It also gives some fundamental algorithms, such as
finding distances and intersections. You can go up one level to see
other pages, notably his Projections, which includes conformal maps
in the complex plane.

Geometry and the Imagination, by John Conway, Peter Doyle,
Jane Gilman, and Bill Thurston at University of Minnesota.
 This is a set of notes (html or postscript) used in a 2week
course. Subjects include How to knit a Möbius Band,
Descartes' Formula, Hyperbolic Geometry, and many more.

Geometry in Action, by David Eppstein at UC Irvine.
 This gives applications of (computational) geometry and related
areas of discrete mathematics.

Geometry Center at University of Minnesota
 This contains graphics, software, video productions and course materials.
Their
Gallery of Interactive Geometry includes Projective Conics,
which includes graphics and proofs of the theorems by Pascal and
Brianchon on conics and hexagons.
 The following use Geometer's Sketchpad, from the
Geometry Center at
University of Minnesota. More of these are at
"Geometry
Turned On," Swarthmore University.

Monge's Theorem, by Eduardo Tabacman at University of Minnesota.

Discovery and Dissection of a Geometric Gem, by Douglas R. Hofstadter
at Indiana University.
This page needs more links, if you have some to add please send them to me,
wcherowi@carbon.cudenver.edu. Thanks.
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