- Geometry Center
Resources and reference materials from this mathematics research and education center at the University of Minnesota.
www.geom.umn.edu
- Geometry in Action
Explore various areas in which ideas from discrete and computational geometry meet real world applications.
www.ics.uci.edu/~eppstein/geom.html
- Native American Geometry
A physical, proportional geometry that originates from the simple circle. Art and mathematics seemlessly integrated in Nature's geometry, emphasizing multiple intelligences and multi-cultural instruction.
www.earthmeasure.com
- Erich's Packing Center
Packing geometric shapes into other geometric shapes: circles in triangles, circles in circles, and much more, plus combinatorial geometry problems.
www.stetson.edu/~efriedma/packing.html
- Conic Sections (5)
dir.yahoo.com/.../Geometry/Conic_Sections
- Fractal Instances of the Traveling Salesman Problem
Contains resources on the evolving field of the generation of instances of combinatorial optimization problems with known optimal solution.
www.ing.unlp.edu.ar/cetad/mos/FRACTAL_TSP_home.html
- Diamond Theory
Symmetries of black-and-white tilings throw light on combinatorics and group theory.
m759.freeservers.com
- Mathlab.com
Java applet providing virtual straightedge and compass for online interactive geometry.
mathlab.com
- Noncommutative Geometry
Offers to the community of researchers in noncommutative geometry a center of resources related to their work: listing job offers, conference announcements, and papers.
www.noncommutativegeometry.net
- Peek
A program to interactively visualize arbitrary n-dimension polytopes through the use of cross-sections and projections.
www.graphics.cornell.edu/~gordon/peek/peek.html
- Timeless by Design
Dedicated to orthogons, simply space relationships repeated any direction within a work of art or design.
www.timelessbydesign.org
- Geometry of the Sphere
Provides basic information about spheres, looks at Girard's Theorem, and proves Euler's formula.
math.rice.edu/~pcmi/sphere
- Wallpaper Groups
Plane symmetry groups.
aleph0.clarku.edu/~djoyce/wallpaper
- Trisection of an Angle Unraveled
A proposed solution to the ancient problem of geometrically trisecting an angle, pondered since the times of the ancient Greek mathematicians Pythagorus and Archimedes.
www.trisectionunraveled.com
- Geometry Formulas and Facts
Excerpts from the 30th edition of CRC Standard Math Tables and Formulas covering geometry in two and three dimensions.
freeabel.geom.umn.edu/docs/reference/CRC-formulas
- Circles are Awesome
Play with or learn about the "closed plane curve every point of which is equidistant from a fixed point within the curve", better known as a circle.
www.windowseat.ca/circles
- GLaD Construction
dir.yahoo.com/.../Geometry/GLaD_Construction
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