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           en.wikipedia.org
   2. The Ishango bone is a bone tool, dated to the Upper Paleolithic era. It is a dark brown length of bone, the fibula of a baboon, with a sharp piece of quartz affixed to one end, perhaps for engraving.

   3. Ishango bone - Wikipedia, the free encyclopedia

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

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Ishango bone - Wikipedia, the free encyclopedia

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

Wikipedia

The Ishango bone is a bone tool, dated to the Upper Paleolithic era. It is a dark brown length of bone, the fibula of a baboon, with a sharp piece of quartz affixed to one end, perhaps for engraving.

‎Possible meaning - ‎Second Bone - ‎See also - ‎References

an old Mathematical Object - 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  ...

The Ishango Bone: Craddle of Ancient Mathematics | African ...

afrolegends.com/2013/08/29/the-ishango-bone-craddle-of-mathematics/

Aug 29, 2013 - Dating as far back as 22000 years ago, in the Upper Paleolitic era, theIshango bone is a dark brown bone which happens to be the fibula of a baboon, with a sharp piece of quartz affixed to one end for engraving.

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The Prime Glossary: Ishango bone

primes.utm.edu/glossary/xpage/IshangoBone.html

Prime Pages

Welcome to the Prime Glossary: a collection of definitions, information and facts all related to prime numbers. This pages contains the entry titled 'Ishango bone.

[PDF]DOES THE ISHANGO BONE INDICATE A ... - arXiv

arxiv.org/pdf/1204.1019

arXiv

by V Pletser - ‎2012 - ‎Cited by 1 - ‎Related articles

The Heinzelin's Ishango bone has notches that seem to form patterns, ... the hypothesis that the Ishango bone is a primitive mathematical tool using the base 12 ...

Mathematical Treasure: Ishango Bone | Mathematical ...

www.maa.org/.../mathematical-treas...

Mathematical Association of America

Perhaps the oldest mathematical artifact in existence, the Ishango Bone (above), was unearthed in 1950 in the then Belgian colony of the Congo (now the ...

Ishango Bone -- from Wolfram MathWorld

mathworld.wolfram.com › History and Terminology › History

MathWorld

The Ishango bone is the oldest known object containing logical carvings. It was discovered in the Congo, and has been dated to be 22000 years old. The middle ...

Ishango Bone : nrich.maths.org

nrich.maths.org/6013

Can you decode the mysterious markings on this ancient bone tool?

The Ishango Bone, Possibly One of the Oldest Calendars ...

www.historyofinformation.com/expanded.php?id=4

The Ishango Bone, Possibly One of the Oldest Calendars (25,000 BCE – 20,000 BCE) ... He argued that talley marks on certain bones represented a system of