What ⧅ means
It has no single meaning outside a notation system.
A Unicode proposal from 2000 grouped ⧅ with square mathematical symbols. That historical classification does not assign it a universal operation; the surrounding formula, document, or software defines its role.
Part of the collection
Don't confuse it with
1Questions people ask
1Why does \boxbslash render blank in LuaLaTeX?
It can. In a LuaLaTeX example from 2016, TeX Gyre Pagella Math lacked the glyph; assigning a fallback font for \boxbslash restored it.
Collections with ⧅
1How to type or find ⧅
- Also called
- boxbslash · bsolb
- Search it as
- boxed backslash · boxed backslash math symbol · LaTeX boxbslash · APL quad backslash
- Shows up in
- Anything that takes text · its shape is whatever your font draws
Windows (Word)
Windows
HTML
⧅CSS
\29C5LaTeX
In a
unicode-math setup, put \boxbslash in math mode.Font fallback
If it appears blank, use a math font that contains the glyph or assign a fallback font to
\boxbslash.Codes and encoding1 code points
HTML decimal
⧅
HTML hex
⧅
CSS content
content: "\29C5";
Each escape is closed by the next backslash; a trailing space is needed before a literal hex digit.
URL encoded
%E2%A7%85
1
On screen
1
Code points
1
JS .length
3
UTF-8 bytes
A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.




