Graph/Plot Setup Keys allow access to interactive graphing features. When some graph screen features are active, you may see a shortcut menu in the ƒ b location for feature options.
Editing Keys allow you to edit expressions and values.
Math and Statistics Keys display menus that access math, statistics, and other basic functions.
Scientific Keys allow access to the capabilities of a standard scientific calculator—including trigonometric functions.
Number Keys allow you to enter numbers.
Common Math Functions allow you to divide, multiply, subtract, and add.