This text fully covers D1, D2 and DC modules for all specifications. Chapters are supported by a 'What You Need to Know' section, featuring prerequisite information and concluding summaries of key points for complete understanding. Hints and tips in the margin aid understanding and provide extra support. It provides numerous staged and graded examples with worked solutions, technique and contextual exercises from actual exam papers in every chapter, including consolidation 'A' and 'B' questions. Applications and Extensions feature at the end of each chapter for coursework and the DC module. This product is part of the series, Complete Advanced Level Mathematics.