Objects can be entered in to the Input bar/Algebra view in the left hand panel.[br][br]Lines, curves, points, functions and variables can be entered.[br][br]Try entering some objects such as:[br][list][*]y=3x[/*][*]y=x^2-2x[/*][*](2,4)[/*][*]f(x)=2^x[/*][*]k=7 [br][/*][/list]