Product Description Build confidence for thelatest Cambridge syllabus with thetrusted and rigorous approach of Complete Mathematics, now in its 4th edition. Written by renowned authorDavid Rayner, thepractice-based approach ensures top Cambridge IGCSE results.This new edition isfully updated for the latest Cambridge syllabus for first examination in 2017, with new chapters onCompound Interest Formulas andPerpendicular Lines. In addition to a wealth of practice, it includes clear explanations and worked examples to embed the strong understandingrequired for top exam results and thestep up to further study. About the Author David Rayner