Graph2D is a program, which can render graphs with totally no difficulty for the user. It can help him or her with his homework, or can test some functions while doing math. Graph2D is coded with C++ and OpenGL.

Only the keys e(=),p(+),m(-),d(/),m(*),y,x and all tje numbers are aloud for writing a formula.
Use the 'Draw' and 'Erase' buttons for rendering the graph with the currrent parameters to erase the current graph.
The green buttons are for the commands, the blue buttons are for the graphic settings and the red buttons are for the setting the graph parameters.
Click the 'O' button to set the window to windowed mode. In windowed mode, you can drag the window by holding the left button on your mouse.

Requirements:
* OpenGL

The license of this software is Free, you can free download and free use this graphing software.