The simple software that draws and shows the graph of the 2-dimensional mathematical functions in rectangular coordinates. If user input equations, choose colors, and choose line types, user can see the graph. MoNooN2DR enables user to modify the graph color, graph line type,background color(black and white), and insert new graph (maximum 20 graphs), move the graph, zoom it, Also user can view the window in full-screen mode, print the graph, and save as bitmap file.