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 control behind dice control. Stanford Wong, well-known advantage player and gaming author, also discusses dice control in his book "Wong on Dice". Pawlicki and Jerry L. Patterson co-developed PARR (Patterson Rhythm Roll) in 1997, which claims to be the first course on how to set and control dice. Jim Klimesh, director of casino operations for Indiana's Empress Casino Hammond believes it is sometimes possible to control the dice with certain throws that do not hit the back wall of the craps table. One example is the "army blanket roll", named after the playing surface of the dice games of American servicemen