This character is a Math Symbol and is commonly used, that is, in no specific script.
The glyph is not a composition. It has no designated width in East Asian texts. In bidirectional text it acts as Other Neutral. When changing direction it is mirrored. The word that U+2242 forms with similar adjacent characters prevents a line break inside it.
Representations
System
Representation (click value to copy)
Nº
8770
UTF-8
E2 89 82
UTF-16
22 42
UTF-32
00 00 22 42
URL-Quoted
%E2%89%82
HTML hex reference
≂
Wrong windows-1252 Mojibake
≂
HTML named entity
≂
HTML named entity
≂
HTML named entity
≂
Encoding: GB18030 (hex bytes)
81 36 D6 30
LATEX
\ElsevierGlyph{2242}
RFC 5137
\u'2242'
Bash and Zsh inside echo -e
\u2242
C and C++
\u2242
C#
\u2242
CSS
\002242
Excel
=UNICHAR(8770)
Go
\u2242
JavaScript
\u2242
Modern JavaScript since ES6
\u{2242}
JSON
\u2242
Java
\u2242
Lua
\u{2242}
Matlab
char(8770)
Perl
"\x{2242}"
PHP
\u{2242}
PostgreSQL
U&'\2242'
PowerShell
`u{2242}
Python
\u2242
Ruby
\u{2242}
Rust
\u{2242}
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