GEO CALC Lite* is a very user-friendly application to create a nondirectional geometry.
The geometry is constructed with the basic elements of point, line and circle.
*Limitation Liteversion: Only 5 new elements possible
Please visit our youtube-channel:
http://www.youtube.com/user/fastncsoftware/videos
Calculations (only a summary):
- Intersections
  - Line/Line
  - Line/Circle
  - Circle/Circle
- Tangent Lines
  - Point/Circle
  - Circle/Circle
- Tangent Circles
  - Line/Line
  - Line/Circle
  - Circle/Circle
- Angles
- Distances
- Circumferences
- Arc lengths