Introduction - If you have any usage issues, please Google them yourself
(1) File feature
(2) there is a mouse, keyboard input (you can draw a straight line, polyline, rectangle, circle, triangle)
(3) having the option graphics, move, delete function
(4) menus
(5) You can choose the alignment, width, color
(6) has a coordinate display
File functions, graphics and other local functions move the delete function did not realize, most of them can be achieved if the machine does not support full-screen display, the next DosBox, run in DosBox