Mathematical foundations

In 'The Mathematical Works of Lewis Carroll,' the reader is taken on a journey through the lesser-known scholarly side of Lewis Carroll.

From zero to infinity, The Book of Numbers is a handy-sized volume which opens up a new realm of knowledge.

»Es gibt keinen Fortschritt ohne Paradoxon«, wusste schon der Physiker John Archibald Wheeler.

Before Einstein.

This fantastic overview of integers, exponents, equations, polynomials and functions is great for middle and high school students.

These techniques are solutions that train you to become a calculator.