This online e-book is written by experienced IBteachers, examiners, and experts in mathematics and educational technology. Itincludes clear explanations of key concepts and skills, accompanied by numerousworked examples and practice questions, as well as support for the new IAMathematical Exploration and clear links to Theory of Knowledge throughout. Thise-book also contains a wealth of extension material such as interactiveAutograph activities, full worked solutions, audio-visual GDC support, quizzesand thorough chapter summaries.