$Revision$ $Date$ NSDecimalNumberHandler Foundation/NSDecimalNumber.h NSDecimalNumberBehaviors defaultDecimalNumberHandler decimalNumberHandlerWithRoundingMode: roundingMode scale: scale raiseOnExactness: raiseOnExactness raiseOnOverflow: raiseOnOverflow raiseOnUnderflow: raiseOnUnderflow raiseOnDivideByZero: raiseOnDivideByZero initWithRoundingMode: roundingMode scale: scale raiseOnExactness: raiseOnExactness raiseOnOverflow: raiseOnOverflow raiseOnUnderflow: raiseOnUnderflow raiseOnDivideByZero: raiseOnDivideByZero