Standards for slot machine meters, Admin Code § 13:

Aristocrat PAR sheetset chip par sheet slot machine Having these data along with the mathematical formulas, anyone can generate the PAR sheet of any slot machine The configuration of a reel park slot This par sheet makes it possible for the casino to accurately understand the chances and the house advantage associated with each slot machine

paris slot The PAR sheets, exposing the parameters of the design of slot machines and probabilities associated with the winning combinations are kept