This concrete subclass of NSFormatter converts the numeric contents of a cell into a user-specified textual representation; textual representations can also be converted to NSDecimalNumber objects used to store numeric cell values.

@interface NSNumberFormatter : NSFormatter
// Accessor Methods
- (void)setAttributedStringForNil:(NSAttributedString *)newAttributedString;
- (NSAttributedString *)attributedStringForNil;
- (void)setNegativeFormat:(NSString *)format;
- (NSString *)negativeFormat;
- (void)setMaximum:(NSDecimalNumber *)aMaximum;
- (NSDecimalNumber *)maximum;
- (void)setAllowsFloats:(BOOL)flag;
- (BOOL)allowsFloats;
- (void)setPositiveFormat:(NSString *)format;
- (NSString *)positiveFormat;
- (void)setMinimum:(NSDecimalNumber *)aMinimum;
- (NSDecimalNumber *)minimum;
- (void)setAttributedStringForZero:(NSAttributedString *)newAttributedString;
- (NSAttributedString *)attributedStringForZero;
- (void)setRoundingBehavior:(NSDecimalNumberHandler *)newRoundingBehavior;
- (NSDecimalNumberHandler *)roundingBehavior;
- (void)setFormat:(NSString *)format;
- (NSString *)format;
- (void)setHasThousandSeparators:(BOOL)flag;
- (BOOL)hasThousandSeparators;
- (void)setLocalizesFormat:(BOOL)flag;
- (BOOL)localizesFormat;
- (void)setDecimalSeparator:(NSString *)newSeparator;
- (NSString *)decimalSeparator;
- (void)setAttributedStringForNotANumber:(NSAttributedString *)newAttributedString;
- (NSAttributedString *)attributedStringForNotANumber;
- (void)setTextAttributesForNegativeValues:(NSDictionary *)newAttributes;
- (NSDictionary *)textAttributesForNegativeValues;
- (void)setTextAttributesForPositiveValues:(NSDictionary *)newAttributes;
- (NSDictionary *)textAttributesForPositiveValues;
- (void)setThousandSeparator:(NSString *)newSeparator;
- (NSString *)thousandSeparator;