static extern IntPtr NSDecimalString(ref NSDecimal value, IntPtr locale);
public static extern NSComparisonResult Power(out NSDecimal result, ref NSDecimal number, int power, NSRoundingMode mode);
public static extern NSComparisonResult MultiplyByPowerOf10(out NSDecimal result, ref NSDecimal number, short power10, NSRoundingMode mode);
public static extern NSCalculationError Normalize(ref NSDecimal number1, ref NSDecimal number2);
public static extern NSCalculationError Divide(out NSDecimal result, ref NSDecimal left, ref NSDecimal right, NSRoundingMode mode);
public static extern NSComparisonResult Compare(ref NSDecimal left, ref NSDecimal right);
public static extern void Round(out NSDecimal result, ref NSDecimal number, int scale, NSRoundingMode mode);
public static extern NSComparisonResult Compare(ref NSDecimal left, ref NSDecimal right);
public static extern NSCalculationError Multiply(out NSDecimal result, ref NSDecimal left, ref NSDecimal right, NSRoundingMode mode);
static extern IntPtr NSDecimalString(ref NSDecimal value, IntPtr locale);
public static extern void Round(out NSDecimal result, ref NSDecimal number, int scale, NSRoundingMode mode);
public static extern NSComparisonResult Power(out NSDecimal result, ref NSDecimal number, int power, NSRoundingMode mode);
public static extern NSCalculationError Normalize(ref NSDecimal number1, ref NSDecimal number2);
public static extern NSComparisonResult MultiplyByPowerOf10(out NSDecimal result, ref NSDecimal number, short power10, NSRoundingMode mode);