U+3384 "㎄" Square Ka Unicode Character

U+3384 "㎄" Square Ka is a precomposed CJK compatibility ideograph that represents the Japanese syllabic character "ka" enclosed within a square form, designed for vertical text layout or as a single-width character in East Asian typography. It is part of the CJK Compatibility block, which includes various squared or tiled symbols used in legacy character sets or specialized contexts like typesetting. This character specifically encodes the syllable "ka" from the katakana script, serving as a compact representation for uniform spacing in documents, though it is now largely considered a formatting relic rather than a commonly used independent glyph.

General Properties

Code Point	U+3384
Version Added	1.1
Name	Square Ka
Unicode 1.0 Name	Squared Ka
Block	CJK Compatibility
General Category	Other Symbol
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Square
Decomposition Mapping	"k" U+006B Latin Small Letter K "A" U+0041 Latin Capital Letter A

Encodings

HTML Decimal Encoding	㎄
HTML Hex Encoding	㎄
UTF-8 Encoding	0xE3 0x8E 0x84
UTF-16 Encoding	0x3384
UTF-32 Encoding	0x00003384
C/C++/Java Escape	\u3384

Unicode Properties

NFC Quick Check	Yes
NFD Quick Check	Yes
Numeric Type	None
Numeric Value	NaN
Line Break	Ideographic
East Asian Width	Wide
Changes When NFKC Casefolded	Yes
NFKC Casefold	"k" U+006B Latin Small Letter K "a" U+0061 Latin Small Letter A
NFKC Simple Casefold	"k" U+006B Latin Small Letter K "a" U+0061 Latin Small Letter A
Script	Common
Script Extensions	Common
Indic Syllabic Category	Other
Vertical Orientation	Upright
Grapheme Base	Yes
Grapheme Cluster Break	Other
Word Break	Other
Sentence Break	Other