Etruscan numerals whether the numbers on opposite faces of Etruscan dice add up to seven, like nowadays. Some dice found did not show this proposed pattern. An aspect of the Etruscan numeral system is that some numbers, as in the Roman system, are represented as partial subtractions. So "17" is not written *"semφ-śar" as users of the Arabic numerals might reason. One instead finds "ci-em zaθrum", literally "three from twenty". The numbers 17, 18 and 19 are all written in this way. The general agreement among Etruscologists nowadays is the following (except about which of huθ and śa were "four" or "six",
Miwin's dice / 9² = 1 / 81. Two dice are rolled, chosen at random, one at a time. The pair is scored according to the following rules: This variant provides numbers from 0 – 80 with a probability of 1 / 9² = 1 / 81. Two dice are rolled, chosen at random, one at a time. The score is obtained according to the following rules: Examples: Miwin's dice Miwin's Dice are a set of nontransitive dice invented in 1975 by the physicist Michael Winkelmann. They consist of three different dice with faces bearing numbers from 1 to 9; opposite faces