This character is a Math Symbol and is commonly used, that is, in no specific script.
The glyph is a small version of the glyph Glyph for U+002BPlus Sign. Its East Asian Width is wide. In bidirectional text it is written as European number separator from left to right. When changing direction it is not mirrored. U+FE62 offers a line break opportunity at its position, except in some numeric contexts.
The Wikipedia has the following information about this codepoint:
The plus sign (+) and the minus sign (−) are mathematical symbols used to denote positive and negative functions, respectively. In addition, + represents the operation of addition, which results in a sum, while − represents subtraction, resulting in a difference. Their use has been extended to many other meanings, more or less analogous. Plus and minus are Latin terms meaning "more" and "less", respectively.
The forms ⟨+⟩ and ⟨−⟩ are used in many countries around the word. Other designs include ⟨﬩⟩ for plus and ⟨⁒⟩ for minus.
Representations
System
Representation (click value to copy)
Nº
65122
UTF-8
EF B9 A2
UTF-16
FE 62
UTF-32
00 00 FE 62
URL-Quoted
%EF%B9%A2
HTML hex reference
﹢
Wrong windows-1252 Mojibake
ï¹¢
Encoding: BIG5 (hex bytes)
A1 DE
Encoding: BIG5HKSCS (hex bytes)
A1 DE
Encoding: CP950 (hex bytes)
A1 DE
Encoding: GBK (hex bytes)
A9 80
Encoding: GB18030 (hex bytes)
A9 80
Adobe Glyph List
plussmall
RFC 5137
\u'FE62'
Bash and Zsh inside echo -e
\uFE62
C and C++
\uFE62
C#
\uFE62
CSS
\00FE62
Excel
=UNICHAR(65122)
Go
\uFE62
JavaScript
\uFE62
Modern JavaScript since ES6
\u{fe62}
JSON
\uFE62
Java
\uFE62
Lua
\u{FE62}
Matlab
char(65122)
Perl
"\x{FE62}"
PHP
\u{fe62}
PostgreSQL
U&'\FE62'
PowerShell
`u{FE62}
Python
\uFE62
Ruby
\u{fe62}
Rust
\u{fe62}
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