- Endorsed by Cambridge International Examinations. — Written by respected bestselling mathematics author. — All material precisely targeted to IGCSE specification. — Fully updated for new syllabus, including objectives at the start of each unit. — IGCSE exam questions integrated throughout the book. This is a new edition of an existing textbook, with updated content for the 2006 syllabus. It is designed to be a student main text, and contains all you need to pass the IGCSE Core exam.