Easily graph functions, solve equations, find special points of functions, save and share your results. Millions of people around the world use GeoGebra to learn math and science. Join us! • Plot functions, polar and parametric curves • Solve equations with our powerful math engine • Experience transformations with sliders • Get special points of functions: roots, min, max, intersections • Find derivatives and integrals • Do regression with best-fit lines • Search for free learning activities