Hexagram is the most ancient mathematical symbol, known to mankind throughout millennia. It is considered that this international symbo has been found for the first time in India where it was used before has appeared in Europe and in the near east. By the legend hexagram has been represented on shields of tsar David soldiers and on the seal of Solomon. The symbol of hexagram meets at many people, on different continents and always mystical sense is put in it allocating with magic properties.<br /> <br /> It is possible to tell with confidence, that up to nowadays hexagram remains the most known and demanded symbol. But not many people know that besides sacral properties hexagram possesses also absolutely concrete geodetic properties connected with orthogonal proection of globe centered by pole.