U+2998 "⦘" Right Black Tortoise Shell Bracket Unicode Character

Unicode Version 17.0

U+2998 "⦘" Right Black Tortoise Shell Bracket is a typographic symbol classified under the Miscellaneous Mathematical Symbols-B block, depicting a stylized, curved bracket that resembles one half of a tortoise or turtle shell. It is primarily used in mathematical notation and formal logic to denote specific grouping or delimiting functions, often paired with its counterpart U+2997 "⦗" Left Black Tortoise Shell Bracket. Unlike standard parentheses or brackets, this character has a unique visual weight and shape designed for specialized typesetting contexts, such as in Chinese or Japanese mathematical texts, where it represents a distinctive bounding symbol for expressions. Its inclusion in Unicode ensures consistent representation across digital platforms for precise scholarly and technical documentation.

General Properties

Code Point U+2998
Version Added 3.2
Name Right Black Tortoise Shell Bracket
Block Miscellaneous Mathematical Symbols-B
General Category Close Punctuation
Canonical Combining Class Not Reordered
Bidirectional Class Other Neutral
Mirrored Yes
Mirrored Character "⦗" U+2997 Left Black Tortoise Shell Bracket
Bidirectional Paired Bracket Type Close
Bidirectional Paired Bracket "⦗" U+2997 Left Black Tortoise Shell Bracket

Encodings

HTML Decimal Encoding ⦘
HTML Hex Encoding ⦘
UTF-8 Encoding 0xE2 0xA6 0x98
UTF-16 Encoding 0x2998
UTF-32 Encoding 0x00002998
C/C++/Java Escape \u2998

Unicode Properties

NFC Quick Check Yes
NFD Quick Check Yes
NFKC Quick Check Yes
NFKD Quick Check Yes
Numeric Type None
Numeric Value NaN
Line Break Close Punctuation
Script Common
Script Extensions Common
Indic Syllabic Category Other
Pattern Syntax Yes
Math Yes
Other Math Yes
Vertical Orientation Rotated
Grapheme Base Yes
Grapheme Cluster Break Other
Word Break Other
Sentence Break Close