Complete Mathematics for Cambridge IGCSE Revision Guide - R - Core & Extended Author:David Rayner, Paul Williams Build confidence for the latest Cambridge syllabus with a clear, practice-based approach. Supporting the bestselling Complete Mathematics Student Book, this Revision Guide is packed with clear explanations and a wealth of practice to support exam potential. This new edition is fully updated for the latest Cambridge syllabus for first examination... more » in 2017, with new chapters on Compound Interest Formulas and Perpendicular Lines.« less