If you define two parameters a 4 and b 3 in advance, you may enter for example an ellipse as ell. I used it on school and made several projects, but when i save them i cant open them again because they are not a geogebra file, how gan i save them as an geogebra file on y mac. Cone, creates an infinite cone with given point as vertex, axis of symmetry parallel to the given vector and apex angle 2. The worlds first program that solves your algebra word problems. Geogebra, the free, opensource mathematics software is designed for math classrooms in secondary schools, but anyone who uses geometry, algebra, or calculus should check it out. Geogebra is a complex mathematical application for those that study or work with arithmetic, geometry, algebra and calculus its a rather complex application thats aimed strictly at those comfortable with complex maths but the advantage geogebra offers over similar apps is that it provides multiple representations of objects that are all dynamically linked. Geogebra is an open source application designed specifically for the learning and teaching of geometry, algebra, and calculus classes. Free offline geogebra apps for ios, android, windows, mac, chromebook and linux. Geogebra is a mac app that plots algebraic equations for you. Graph 3d functions, plot surfaces and do 3d geometry with our free 3d grapher. Graph functions, investigate equations, and plot data with our free graphing app.