This character is a Math Symbol and is commonly used, that is, in no specific script. The character is also known as asymptotic to.
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 acts as Other Neutral. When changing direction it is mirrored. If its East Asian Width is “narrow”, U+2248 forms a word with similar characters, which prevents a line break inside it. Otherwise it allows line breaks around it, except in some numeric contexts. The glyph can be confused with one other glyph.
The CLDR project calls this character “almost equal” for use in screen reading software. It assigns these additional labels, e.g. for search in emoji pickers: almost, approximate, approximation, equal.
The Wikipedia has the following information about this codepoint:
An approximation is anything that is intentionally similar but not exactly equal to something else.
Representations
System
Representation (click value to copy)
Nº
8776
UTF-8
E2 89 88
UTF-16
22 48
UTF-32
00 00 22 48
URL-Quoted
%E2%89%88
HTML hex reference
≈
Wrong windows-1252 Mojibake
≈
HTML named entity
≈
HTML named entity
≈
HTML named entity
≈
HTML named entity
≈
HTML named entity
≈
HTML named entity
≈
alias
asymptotic to
Encoding: CP437 (hex bytes)
F7
Encoding: CP720 (hex bytes)
F7
Encoding: CP737 (hex bytes)
F7
Encoding: CP860 (hex bytes)
F7
Encoding: CP861 (hex bytes)
F7
Encoding: CP862 (hex bytes)
F7
Encoding: CP863 (hex bytes)
F7
Encoding: CP864 (hex bytes)
96
Encoding: CP865 (hex bytes)
F7
Encoding: EUC_JIS_2004 (hex bytes)
A2 EE
Encoding: EUC_JISX0213 (hex bytes)
A2 EE
Encoding: GB2312 (hex bytes)
A1 D6
Encoding: GBK (hex bytes)
A1 D6
Encoding: GB18030 (hex bytes)
A1 D6
Encoding: HZ (hex bytes)
7E 7B 21 56 7E 7D
Encoding: ISO2022_JP_2 (hex bytes)
1B 24 28 41 21 56 1B 28 42
Encoding: ISO2022_JP_2004 (hex bytes)
1B 24 28 51 22 6E 1B 28 42
Encoding: ISO2022_JP_3 (hex bytes)
1B 24 28 4F 22 6E 1B 28 42
Encoding: KOI8_R (hex bytes)
97
Encoding: KOI8_U (hex bytes)
97
Encoding: MAC_CYRILLIC (hex bytes)
C5
Encoding: MAC_GREEK (hex bytes)
C5
Encoding: MAC_ICELAND (hex bytes)
C5
Encoding: MAC_ROMAN (hex bytes)
C5
Encoding: MAC_TURKISH (hex bytes)
C5
Encoding: SHIFT_JIS_2004 (hex bytes)
81 EC
Encoding: SHIFT_JISX0213 (hex bytes)
81 EC
LATEX
\approx
AGL: Latin-2
approxequal
AGL: Latin-3
approxequal
AGL: Latin-4
approxequal
AGL: Latin-5
approxequal
Adobe Glyph List
approxequal
digraph
?2
RFC 5137
\u'2248'
Bash and Zsh inside echo -e
\u2248
C and C++
\u2248
C#
\u2248
CSS
\002248
Excel
=UNICHAR(8776)
Go
\u2248
JavaScript
\u2248
Modern JavaScript since ES6
\u{2248}
JSON
\u2248
Java
\u2248
Lua
\u{2248}
Matlab
char(8776)
Perl
"\x{2248}"
PHP
\u{2248}
PostgreSQL
U&'\2248'
PowerShell
`u{2248}
Python
\u2248
Ruby
\u{2248}
Rust
\u{2248}
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