Mark on de bones...............

1. 1. 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.

   2. 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

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

University at Buffalo

At one end of the Ishango Bone is a piece of quartz for writing, and the bone has a series of notches carved in groups (shown below). It was first thought these notches were some kind of tally marks as found to record counts all over the world.

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

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

Aug 29, 2013 - Today, I would like to talk about the Ishango bone, or rather the first evidence of a calculator in the world. Named after the place where it was ...

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.

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 ...

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 .