Spheric 1.10/PC: spherical geometry and navigation aid for PC-DOS computers

Enter a number of points on Earth and compute distances, azimuth, aim
by range and bearing, great arc midpoints, intersections and much more.
I/O in km, miles or nautical miles; angles as deg/min or decimal degs.
Useful in navigation, geography, trip planning or in armchair travel.
Easy user interface, on-line help, detailed User Manual.
Update of Version 1.03 from November'93. Shareware by J.A.Wrotniak.
