What ⭅ means
They show its shape; the notation gives it any special role.
In 2007, a Unicode discussion linked requests for this quadruple arrow to the mathematical community, especially the STIX font project.
Technical and mathematical, best read in its surrounding notation.
Don't confuse it with
4Questions people ask
1Why does ⭅ look different in another font?
Font fallback is one cause: if the chosen font lacks ⭅, another font may draw it with different spacing or arrowheads.
How to type ⭅
Windows (Word)
Alt+XType 2B45, then Alt+X to get ⭅.
Windows
Win+Rrun charmap for the full table, or use the emoji picker's Ω symbols tab (Win + .).
macOS
Control+Command+SpaceOpen the character viewer and search “leftwards quadruple arrow”.
Linux
Ctrl+Shift+UType 2b45, then Enter or Space.
HTML
⭅CSS
\2B45LaTeX
Use the LaTeX arrow command `\LLeftarrow` with a symbol package that supports it.
Codes and encoding1 code points
HTML decimal
⭅
HTML hex
⭅
CSS content
content: "\2B45";
Each escape is closed by the next backslash; a trailing space is needed before a literal hex digit.
URL encoded
%E2%AD%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.