Description: certification Roman computing. A four-digit arbitrary, as long as they all place on the same figure is incomplete, this is the law : a) the composition of the four four-digit figures with 7,10,13, formed by four of the greatest figures of the four-digit; 2) The composition of the four four-digit figures headed arranged by the formation of the four figures constitute the smallest of the four-digit (if 4 contains a few 0, then the less than 4); 3) 2 for the number of poor, received a new four-digit (high-reservations). Repeat the above process, the final result is 6,174, a figure known as the Roman few.
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