It does include a graphical vector displays where you can click and drag vectors to try out other wind situations.

The program is fairly large (1.4MB) due to some of the visual OCX controls I used to implement the vector display. So be prepared for a larger than expected download.

The software is designed to run on IBM-compatible computers PC's running the Microsoft Windows-95/98/NT operating system.

This software is distributed as fully-functional shareware, with no disabled features, time expirations, or other headaches.