This character is a Currency 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 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+20AF prohibits a line break after it, if it is followed by a number.
The Wikipedia has the following information about this codepoint:
The drachma (Greek: δραχμή, [ðraxˈmi]) was the official currency of modern Greece from 1832 until the launch of the euro in 2001.
Representations
System
Representation (click value to copy)
Nº
8367
UTF-8
E2 82 AF
UTF-16
20 AF
UTF-32
00 00 20 AF
URL-Quoted
%E2%82%AF
HTML hex reference
₯
Wrong windows-1252 Mojibake
₯
Encoding: GB18030 (hex bytes)
81 36 B3 34
Encoding: ISO8859_7 (hex bytes)
A5
RFC 5137
\u'20AF'
Bash and Zsh inside echo -e
\u20AF
C and C++
\u20AF
C#
\u20AF
CSS
\0020AF
Excel
=UNICHAR(8367)
Go
\u20AF
JavaScript
\u20AF
Modern JavaScript since ES6
\u{20af}
JSON
\u20AF
Java
\u20AF
Lua
\u{20AF}
Matlab
char(8367)
Perl
"\x{20AF}"
PHP
\u{20af}
PostgreSQL
U&'\20AF'
PowerShell
`u{20AF}
Python
\u20AF
Ruby
\u{20af}
Rust
\u{20af}
Click the star button next to each label to set this representation as favorite or remove it from the favorites. Favorites will be shown initially. (Favorites are stored locally on your computer and never sent over the internet.)