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Jeton

Coin-like counting token

  • 4 min read
  • 3 chapters

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Through Coin and 0

Thousands of different jetons exist, mostly of religious and educational designs, as well as portraits, the last of which most resemble coinage, somewhat similar to modern, non-circulation commemorative coins. The spelling "jeton" is from the French; it is sometimes spelled "jetton" in English.

Roman calculi

The Romans similarly used pebbles (in Latin: calculi "little stones", whence English calculate). Addition and subtraction is straightforward, and relatively efficient algorithms for multiplication and division were known.

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