For many IB students, the Graphing Display Calculator (GDC) feels confusing at first. It has too many buttons, menus, and features, and students often worry about using it incorrectly in exams. However, once you understand how to use your GDC properly, it becomes one of the most powerful tools in IB Math HL and SL. In IB Math exams—especially Paper 2 and Paper 3—the GDC helps you save time, avoid calculation errors, and focus on understanding and explaining your answers rathe