ATRACTOR

Around the wheel

Attractors

Beautiful triangles

Coloured Theorems

Comparing two geometric problems

Conic billiards

Conics

Convex Geometry

Courtesy at stake

Curvature and Torsion

Dandelin Spheres

Dice row

Dynamics of a family of exponentials

Dynamics of the Gamma Function

Euclidean Algorithm

Fermat′s Theorem

Figures that tremble

Geometric Puzzle

How to rank pages on the web

Hyperbolic slit

Identification numbers with check digit algorithms

Incommensurability

Induction (in Portuguese)

Inversion

Isomorphic games

Knot table

Knots exhibition (Bangor University)

Light and Colour

Logical Operations

Math without words

Mathematical Images

Mathematical Training of Lifeguards

Mechanism

Minimal Networks

Moebius strip

Morley′s Theorem

Napoleon Triangles

On the average

Paths on a surface

Polygonal sequence

Polyhedra

Polynomials versus polygons

Prey and predators

Recycling the error

Regular Polyhedra

Riddles with numbers

Shells

Sieve of Eratosthenes

Spherical Geometry

Spining without falling

Stamping patterns

StarLogo

Symmetry

Tangram

The dynamics of a trick

The loxodrome

The mathematics of tides

The number Pi

The shapes and the numbers

The Sierpinski Triangle and the Towers of Hanoi

The Sperner Game

Triangles with multiple angles

What is a symmetric image?

AtrMini

GeCla

Movies produced by Atractor