In his orderly, if fanciful, universe, he oriented the top of the map with north and imposed the rational grid of latitude and longitude. Ptolemy's conception held sway for centuries; this map was ...

Pinpointing your place is extremely easy on the world map if you exactly know the latitude and longitude geographical coordinates of your city, state or country. With the help of these virtual lines, ...

UTM divides the globe into a grid of many zones. UTM is less commonly used than latitude and longitude and is best for those ...