GrafEq is a simple application, which regardless of its small size, can plot both simple and complex equations with ease. Its GUI is very intuitive; when the program is open you can directly type the equation. Besides, you can insert symbols and operators from a window called Easy Buttons, which includes information organized by groups.
After you have typed your equation, you just need to press enter to set the parameters of the graph (such as x and y axis maximum values, Cartesian or polar type, and the viewing size) to finally create the graph.
The graph is plotted very fast, after that you can adjust its colors, and use other drawing and zooming tools. Besides, you can view the structural representation of the graph relation.
Among other things, you can print the graph and save either the full graph or the skeleton graph. The graph is saved with its equation and its parameters.
The last thing to bring the attention to is that the program uses a window for each graph that is open, so you can work with one or more graphs at the same time.
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