This character is a Uppercase Letter and is commonly used, that is, in no specific script. The character is also known as Hamiltonian operator.
The glyph is a font version of the glyph Glyph for U+0048Latin Capital Letter H. It has no designated width in East Asian texts. In bidirectional text it is written from left to right. When changing direction it is not mirrored. The word that U+210B forms with similar adjacent characters prevents a line break inside it. The glyph can be confused with one other glyph.
The Wikipedia has the following information about this codepoint:
In physics, Hamiltonian mechanics is a reformulation of Lagrangian mechanics that emerged in 1833. Introduced by Sir William Rowan Hamilton, Hamiltonian mechanics replaces (generalized) velocities used in Lagrangian mechanics with (generalized) momenta. Both theories provide interpretations of classical mechanics and describe the same physical phenomena.
Hamiltonian mechanics has a close relationship with geometry (notably, symplectic geometry and Poisson structures) and serves as a link between classical and quantum mechanics.
Representations
System
Representation (click value to copy)
Nº
8459
UTF-8
E2 84 8B
UTF-16
21 0B
UTF-32
00 00 21 0B
URL-Quoted
%E2%84%8B
HTML hex reference
ℋ
Wrong windows-1252 Mojibake
â„‹
HTML named entity
ℋ
HTML named entity
ℋ
HTML named entity
ℋ
alias
Hamiltonian operator
Encoding: GB18030 (hex bytes)
81 36 BC 33
LATEX
\mathscr{H}
RFC 5137
\u'210B'
Bash and Zsh inside echo -e
\u210B
C and C++
\u210B
C#
\u210B
CSS
\00210B
Excel
=UNICHAR(8459)
Go
\u210B
JavaScript
\u210B
Modern JavaScript since ES6
\u{210b}
JSON
\u210B
Java
\u210B
Lua
\u{210B}
Matlab
char(8459)
Perl
"\x{210B}"
PHP
\u{210b}
PostgreSQL
U&'\210B'
PowerShell
`u{210B}
Python
\u210B
Ruby
\u{210b}
Rust
\u{210b}
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