GeoGebra 图形计算器

免费的绘图应用: 绘制函数, 研究方程, 图示数据

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 directly from our app * Save and share your results with friends and teachers