This site of a museum in Florence not only encourages us to visit that beautiful city, but also contains materials for schools. It is easily navigated by those who do not speak Italian.
Il Giardino di Archimede

List of Vignettes
 Site of the Month: Il Giardino di Archimede
 Classifying objects
 Site of the Month: NRICH
 The Hairy Ball Theorem
 Site of the Month: Mathematics of Planet Earth
 Calculators, Power Series and Chebyshev Polynomials
 The shocking behaviour of moving fluids
 Recurrence and induction
 Publickey cryptography
 A tale of two triangles: Heron triangles and elliptic curves
 Symmetry Step by Step
 Map colouring and Gröbner Bases
 Benford’s law: learning to fraud or to detect frauds?
 Higher Dimensions
 What is the way of packing oranges? — Kepler’s conjecture on the packing of spheres
 Goodstein Sequences: The Power of a Detour via Infinity
 Matrices and Digital Images
 Banach’s microscope to find a fixed point
 Fair voting: the quest for gold
 Dimension
 How Google works: Markov chains and eigenvalues
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