a pointing device adapted to allow a user to set a pointing arrow to point towards another location , such as a city in another country . the pointing arrow is adapted to not point in a direction along the surface of the earth but to point accurately through the earth . an apparatus including a pointing device and a calculation portion adapted to allow the user to determine how to point the pointing arrow towards the desired location . the calculation portion may include an electronic device and may include the use of a global computer network .