Tally marks...............but ones done with a higher purpose..............but what were they calculating........maybe the beginnings of the Mayan calendar.............in the Popul Voh........the Mayan myth story...........is the myth of the hero twins...............who go to hell to avenge their father.......he had lost to the devil in the ball game...........the hero twins won...................Nigeria.......in West Africa........not far at all from the Congo river basin..............has an unusual amount of twins..............why?  Many heroes i guess.................

he first bone has been subject to a lot of interpretation.  At first, it was thought to be just a tally stick with a series of tally marks, but scientists have demonstrated that the groupings of notches on the bone are indicative of a mathematical understanding which goes beyond simple counting.  In fact, many believe that the notches follow a mathematical succession. The notches have been interpreted as a prehistoric calculator, or a lunar calendar, or aprehistoric barcode.

Jean de Heinzellin was the first to consider the bone as a vestige of interest in the history of mathematics.  For instance, he noted that the numbers in the left column were compatible with a numeration system based on 10, since he saw that: 21 = 20 + 1, 19 = 20 – 1,11 = 10 +1, and 9 = 10 -1.  These numbers are also prime numbers between 10 and 20: 11, 13, 17, 19