The Illustrated Dictionary of Maths is a clear, visual reference book covering key mathematical concepts across secondary school curricula (e.g. GCSE / SAT). It includes over 500 definitions of important terms, more than 300 illustrations and diagrams, and over 100 worked examples to show how concepts are applied. Organized thematically (colour-coded sections), it helps students quickly find definitions relating to areas like algebra, volume, vectors, trigonometry, transformations, etc. It also offers cross-referencing and an index to support navigation.