The glyph is not a composition. Its width in East Asian texts is determined by its context. It can be displayed wide or narrow. In bidirectional text it is written from left to right. When changing direction it is not mirrored. The word that U+039A forms with similar adjacent characters prevents a line break inside it. The glyph can be confused with one other glyph.
The Wikipedia has the following information about this codepoint:
Kappa (; uppercase Κ, lowercase κ or cursive ϰ; Greek: κάππα, káppa) is the tenth letter of the Greek alphabet, representing the voiceless velar plosive IPA:[k] sound in Ancient and Modern Greek. In the system of Greek numerals, Kʹ has a value of 20. It was derived from the Phoenician letter kaph . Letters that arose from kappa include the Roman K and Cyrillic К. The uppercase form is identical to the Latin K.
Greek proper names and placenames containing kappa are often written in English with "c" due to the Romans' transliterations into the Latin alphabet: Constantinople, Corinth, Crete. All formal modern romanizations of Greek now use the letter "k", however.
The cursive form ϰ is generally a simple font variant of lower-case kappa, but it is encoded separately in Unicode for occasions where it is used as a separate symbol in math and science. In mathematics, the kappa curve is named after this letter; the tangents of this curve were first calculated by Isaac Barrow in the 17th century.
Representations
System
Representation (click value to copy)
Nº
922
UTF-8
CE 9A
UTF-16
03 9A
UTF-32
00 00 03 9A
URL-Quoted
%CE%9A
HTML hex reference
Κ
Wrong windows-1252 Mojibake
Κ
HTML named entity
Κ
Encoding: BIG5 (hex bytes)
A3 4D
Encoding: BIG5HKSCS (hex bytes)
A3 4D
Encoding: CP737 (hex bytes)
89
Encoding: CP869 (hex bytes)
B5
Encoding: CP875 (hex bytes)
51
Encoding: CP932 (hex bytes)
83 A8
Encoding: CP949 (hex bytes)
A5 CA
Encoding: CP950 (hex bytes)
A3 4D
Encoding: CP1253 (hex bytes)
CA
Encoding: EUC_JP (hex bytes)
A6 AA
Encoding: EUC_JIS_2004 (hex bytes)
A6 AA
Encoding: EUC_JISX0213 (hex bytes)
A6 AA
Encoding: EUC_KR (hex bytes)
A5 CA
Encoding: GB2312 (hex bytes)
A6 AA
Encoding: GBK (hex bytes)
A6 AA
Encoding: GB18030 (hex bytes)
A6 AA
Encoding: HZ (hex bytes)
7E 7B 26 2A 7E 7D
Encoding: ISO2022_JP (hex bytes)
1B 24 42 26 2A 1B 28 42
Encoding: ISO2022_JP_1 (hex bytes)
1B 24 42 26 2A 1B 28 42
Encoding: ISO2022_JP_2 (hex bytes)
1B 24 42 26 2A 1B 28 42
Encoding: ISO2022_JP_2004 (hex bytes)
1B 24 42 26 2A 1B 28 42
Encoding: ISO2022_JP_3 (hex bytes)
1B 24 42 26 2A 1B 28 42
Encoding: ISO2022_JP_EXT (hex bytes)
1B 24 42 26 2A 1B 28 42
Encoding: ISO2022_KR (hex bytes)
1B 24 29 43 0E 25 4A 0F
Encoding: ISO8859_7 (hex bytes)
CA
Encoding: JOHAB (hex bytes)
DB 5A
Encoding: MAC_GREEK (hex bytes)
BA
Encoding: SHIFT_JIS (hex bytes)
83 A8
Encoding: SHIFT_JIS_2004 (hex bytes)
83 A8
Encoding: SHIFT_JISX0213 (hex bytes)
83 A8
Encoding: CP875 (hex bytes)
51
LATEX
\Kappa
Adobe Glyph List
Kappa
digraph
K*
RFC 5137
\u'039A'
Bash and Zsh inside echo -e
\u039A
C and C++
\u039A
C#
\u039A
CSS
\00039A
Excel
=UNICHAR(922)
Go
\u039A
JavaScript
\u039A
Modern JavaScript since ES6
\u{39a}
JSON
\u039A
Java
\u039A
Lua
\u{39A}
Matlab
char(922)
Perl
"\x{39A}"
PHP
\u{39a}
PostgreSQL
U&'\039A'
PowerShell
`u{39A}
Python
\u039A
Ruby
\u{39a}
Rust
\u{39a}
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