Welcome to the world of GreatCirc by Gunamoi Software! This Windows 7 software will elevate your navigation game by providing you with the ability to calculate great circle routes and distances on a map. With user-friendly features and reliable performance, GreatCirc is a true gem in the sea of software options. It's perfect for anyone who needs to plan routes or measure distances with ease. Download GreatCirc now and never get lost again!

GreatCirc is a tool for calculating Great Circle distances on the earth's surface, and plotting points and great circle paths on a world map.

The "great circle path" is the shortest direct route between two points on the earth's surface. Because the earth is a globe, the shortest path between any two points lies on a circle which is centred at the earth's core and passes around the surface of the world. Such a path will appear to be a curved line when drawn on a flat world map because of the distortion inherent in mapping the globe onto a flat map. See the Wikipedia article for further information on great circle distance.

GreatCirc can calculate the Great Circle Distance between any two points on the earth. Also, given a starting point, direction and distance it can calculate the Great Circle End Point. In both cases, GreatCirc will plot the resulting Great Circle path on a world map. GreatCirc can also do a Coverage Area calculation, given a centre point and a range, GreatCirc will plot the resulting circle on a world map and calculate the area of the earth's surface enclosed within the circle.

New Release
Fix bug causing formatting issues with HTML and PDF report files.
Fix bug on file dialog where file extension doesn't change when selecting different File Type.
Minor additions to the Major Cities list, including some Antarctic stations.
Updated code libraries to latest versions.
[ GreatCirc release history ]

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