This application will plot trajectories of a spaceship around a black hole with user defined launch conditions (runs on Windows). To try it out, download both the program file and the help files to the same directory on your computer. For convenience you may create a shortcut of the program file on your desktop or the Start Menu. To start the application, run the program file. If something does not work or if you have any comments or criticisms send email to: biswast@newpaltz.edu