numeral bone

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• Ishango bone — The Ishango bone is a bone tool, dated to the Upper Paleolithic era, about 18000 to 20000 BC. It is a dark brown length of bone, the fibula of a baboon, [ [http://www.maths.uwa.edu.au/ schultz/3M3/history.html A very brief history of pure… …   Wikipedia

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• Numerical digit — The ten digits of the Arabic numerals, in order of value. A digit is a symbol (a numeral symbol such as 3 or 7 ) used in combinations (such as 37 ) to represent numbers in positional numeral systems. The name digit comes from the fact that the 10 …   Wikipedia

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• Timeline of numerals and arithmetic — A timeline of numerals and arithmetic Before 2000 BC * ca. 20,000 BC Nile Valley, Ishango Bone: possibly the earliest reference to prime numbers and Egyptian multiplication. * ca. 3400 BC Mesopotamia, the Sumerians invent the first numeral system …   Wikipedia

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