Oxford Mathematics for the New Century is our latest series of course books which covers the entire secondary level. The books have plenty of daily-life elements to arouse students’ interest and help them understand easily and effectively. The series also places strong emphasis on the STEM education and use of modern information technology to well-equip students with the knowledge and skills needed in the current or even the future world. In addition, abundant well-graded examples and exercises have been set to cater for students’ learning diversity and allow teachers to teach flexibly.