Why so much help??????  A 20,000 year old bone...........with math on it...........

Ishango bone - Department of Mathematics

www.math.buffalo.edu/mad/Ancient.../ishango.html

University at Buffalo

The most interesting, of a large number of tools discovered in 1960 at Ishango, is a bone tool handle called the Ishango Bone (now located on the 19th floor of ...

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Ishango bone - Wikipedia, the free encyclopedia

https://en.wikipedia.org/wiki/Ishango_bone

Wikipedia

The Ishango bone was found in 1960 by Belgian Jean de Heinzelin de Braucourt while exploring what was then the Belgian Congo. It was discovered in the ...

‎Possible meaning - ‎Second Bone - ‎See also - ‎References