This character is a Currency Symbol and is commonly used, that is, in no specific script. The character is also known as shekel.
The glyph is not a composition. It has no designated width in East Asian texts. In bidirectional text it is written as end of a European number, e.g., a currency symbol, from left to right. When changing direction it is not mirrored. U+20AA prohibits a line break after it, if it is followed by a number.
The Wikipedia has the following information about this codepoint:
The shekel sign ⟨₪⟩ is a currency sign used for the shekel, the currency of Israel.
Representations
System
Representation (click value to copy)
Nº
8362
UTF-8
E2 82 AA
UTF-16
20 AA
UTF-32
00 00 20 AA
URL-Quoted
%E2%82%AA
HTML hex reference
₪
Wrong windows-1252 Mojibake
₪
alias
shekel
Encoding: CP1255 (hex bytes)
A4
Encoding: GB18030 (hex bytes)
81 36 B3 30
AGL: Latin-5
uni20AA
Adobe Glyph List
afii57636
Adobe Glyph List
newsheqelsign
Adobe Glyph List
sheqel
Adobe Glyph List
sheqelhebrew
RFC 5137
\u'20AA'
Bash and Zsh inside echo -e
\u20AA
C and C++
\u20AA
C#
\u20AA
CSS
\0020AA
Excel
=UNICHAR(8362)
Go
\u20AA
JavaScript
\u20AA
Modern JavaScript since ES6
\u{20aa}
JSON
\u20AA
Java
\u20AA
Lua
\u{20AA}
Matlab
char(8362)
Perl
"\x{20AA}"
PHP
\u{20aa}
PostgreSQL
U&'\20AA'
PowerShell
`u{20AA}
Python
\u20AA
Ruby
\u{20aa}
Rust
\u{20aa}
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