Mathematics
10 The Equation X + X = 0

The Equation X + X = 0
7.5 Symmetry

Symmetry
5.9 Basketball and Mathematics

Basketball and Mathematics
10 La Costante di Archimede

La Costante di Archimede
0 Dimensions

Dimensions
0 Meet the Math Drills - Multiplication

Meet the Math Drills - Multiplication
0 Topology

Topology
0 How Much is a Million?

How Much is a Million?
5 Four-Point Conics

Four-Point Conics
0 Not Knot

Not Knot
0 beweistheorie I

beweistheorie I
0 The Mathematician

The Mathematician
5 Achieving the Unachievable

Achieving the Unachievable
5 Curriculum vitae

Curriculum vitae
0 The Shape of Space

The Shape of Space
0 Meet the Math Drills - Subtraction

Meet the Math Drills - Subtraction
0 Eliyahu Rips: The Burning

Eliyahu Rips: The Burning
7 Metamorphose: M.C. Escher, 1898-1972

Metamorphose: M.C. Escher, 1898-1972
0 Letters from an Indian Clerk

Letters from an Indian Clerk
0 Julia Robinson and Hilbert's Tenth Problem

Julia Robinson and Hilbert's Tenth Problem