This book is part of a book series called Essential Mathematics .

This book was published 2012 by Cambridge University Press .

David Robertson, author of `The Dawkins Letters' and `Magnificent Obsession', is a well-known pastor and apologist who is passionate about engaging culture with the message of Christ. Dr Michael Evans is Head of Mathematics at Scotch College and also actively involved in the Victorian Curriculum and Assessment Authority. His interest in mathematics extends to the Mathematics Olympiad Team. David Greenwood teaches at Scotch College and has special expertise in the creative use of graphics calculators. Professor Peter Jones from Swinburne University has taken a keen interest in secondary school mathematics and has also had a key role in the development of the new course of study. Dr Kay Lipson's experience extends through secondary and tertiary courses. She is currently a lecturer in statistics at Swinburne University. David Greenwood is the Head of Mathematics at Trinity Grammar School and has also taught mathematics for many years at Scotch College. He is an experienced author of mathematics and technology texts which apply to all secondary levels. He has presented at many conferences and run a number of workshops outlining the implementation of VELS, and the use of technology including graphics calculators and dynamic geometry software. David Robertson is the Head of Mathematics and VCE coordinator at Mowbray College. He has been an author for the last 10 years, and a teacher for the last 26 years in both the state and private school system. He has written two series of books in the Maths area, and also currently teaches Mathematics to students in Years 7 - 12. Georgia Sotiriou has 25 years of experince teaching year 7 - 12 mathematics, and in this time she has been the Maths Coordinator, Year Level Coordinator and VCE Coordinator across a number of schools. For many years she was a member of the VCAA CAT setting panel for Maths Methods as well as a VCAA examiner in Maths Methods and Specialist Maths. She has also been a member of the Monash International College Mathematics Examination Panel, and has authored many Maths texts. She currently teacher at Melbourne Girls College, and is responsible for the Maths Task Centre. Voula Sotiriou is currently Senior Mathematics teacher at Taylors College. She is a former Head of Mathematics at a leading Catholic school and has been an examiner and reviewer in VCE Mathematics for the VCAA. She is a highly experienced author having published both junior and senior Mathematics texts in Victoria. Jenny Vaughan writes information books and educational television programmes for children.