## History of Numeration Systems

I just stumbled upon this great little video about Ancient Numeration Systems. It does not go into depth on any particular system, but it wanders through the following: Tally marks Sumerian symbols Babylonian symbols Egyptian symbols Roman symbols and modifications of it Number systems based on the body (Zulu) Commerce-based number systems (Yoruba in Nigeria) Number systems involving knots and string (Persians, Incans) Numerals 0-9 (invented in India) Place value Fractions as a solution for “fair-share” situations in culture Unit Fractions (Egyptians) Fractions with base-60 (Sumerians and Babylonians), still used for time measurements today Abacus (Chinese) Use of the...

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