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",
Dice pool superhuman ability or other conditions; a common one is to allow high (or low) rolling dice to be rolled again, the second roll counting as if it were an additional die. Dice pools are more complex to explain and less intuitive than traditional "roll over" or "roll under" systems. On the other hand, they are faster to resolve if there are a lot of modifiers as it's easier to count each individual die that succeeded than it is to add four or five separate modifiers to a die roll. Therefore, whether dice pools are faster depends on how much detail