The International General Certificate of Secondary Education (IGCSE) Mathematics Module 4 is the fourth in a set of six books developed by the Cambridge Open Learning Project (COLP) in South Africa. The Project aims to provide access to quality education by producing course materials to support the University of Cambridge Local Examinations Syndicate (UCLES) mathematics syllabus for IGCSE. The IGCSE examinations are available through the Southern Africa office of UCLES, based in Cape Town.