This series consists of three module books, covering all four units for the AS level in the Use of Maths. The mathematics is presented in a context likely to have general interest to the students, emphasising the application of mathematics to real life situations and to other areas of the curriculum. Portfolio sections feature at the end of each chapter to help students develop their project work using the skills learnt in the chapter. The books are specifically written for OCR, AQA and Edexcel Specifications.