this graphing calculator offers a professional solution for anyone who graphs functions. it helps to create 2d, 2.5d function graphs(cartesian and polar), 3d curves, surfaces (cartesian, cylindrical and spherical), animations and table graphs. high quality graphs can be created by setting the properties of curve, surface, axes and light. features: * creating 2d coordinate graphs, animations and table graphs. * ability to set and modify the properties of coordinate graphs, animations and table graphs. * ability to move, zoom in, zoom out and rotate the graphs in plot area. * ability to save graphs as pgp file or bmp file. * ability to save animation as avi file. * free tools.