Gravity (software)

Gravity
Original author(s)	Steve Safarik
Stable release	2.01 / May 27, 1990; 21 years ago (1990-05-27)
Development status	Unmaintained
Operating system	Windows
Size	87.5 KB
Available in	English
Type	Shareware

Gravity (ver. 2.01) is a software program designed by Steve Safarik^[1] to simulate the motions of planetary bodies in space. Users can create solar systems of up to 16 bodies. Mass, Density, Initial position, and Initial velocity can be varied by user input. The bodies are then plotted as they move according to the laws of gravitation. Simulation settings may saved as files with the extension ".GRV"

Minimum requirements

IBM compatible personal computer
Graphics display (Hercules, CGA, EGA, VGA, At&t, 8514/a)
Disk drive (Floppy or Hard)
At least 384K free memory
A math coprocessor (80x87).

References

^ "Science and Engineering Tools and Their Producers". EMS Professional Shareware. 1997. http://www.emsps.com/lists/sciengp.htm. Retrieved 2 October 2010.