Ishango Bone

Ishango bone

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 column of marks on the bone contains the sequence of number 3, 6, 4, 8, 10, 5, 5, 7 (OEIS A100000).

See also

Lebombo Bone

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africanMathematics. "An Introduction to the Unit." Museum for Natural Sciences. "The Ishango Bone Exhibition." a linkFree University of Brussels. "" Huylebrouck, D. "About the Ishango Artifact." Joseph, G. G. The Crest of the Peacock: Non-European Roots of Mathematics. London: Penguin, 1992.Pletser, V. and Huylebrouck, D. "The Ishango Artifact: the Missing Base 12 Link." Proc. Katachi Univ. Symmetry Congress (KUS2), Paper C11, Forma 14-4, Tsukuba Univ., Japan, pp. 339-346, 18 Nov. 1999.Sloane, N. J. A. Sequence A100000 in "The On-Line Encyclopedia of Integer Sequences."Zaslavsky, C. Africa Counts. New York: Lawrence Hill Books, 1973.

Referenced on Wolfram|Alpha

Ishango Bone

Cite this as:

Weisstein, Eric W. "Ishango Bone." From MathWorld--A Wolfram Web Resource.

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