This book is the second of two books written for students following the core curriculum. The books provide the best learning tool for students preparing for the Cambridge IGCSE, GCE O Level Mathematics and WAEC Core Mathematics. The topics are easy to follow with minimum help. Each of the sections offers a step-by-step explanation of concepts and then test your understanding with many exercises. The Try this exercises give you the opportunity to practise after every example. Every chapter ends with a test to help you retain mastery of the topics.