The article provides a summary of the elementary ideas about vectors usually met in school mathematics, describes what vectors are and how to add, subtract and multiply them by scalars and indicates why they are useful.

An account of how mathematics is used in computer games including geometry, vectors, transformations, 3D graphics, graph theory and simulations.

A simplified account of special relativity and the twins paradox.

This article looks at knight's moves on a chess board and introduces you to the idea of vectors and vector addition.