↤
Arrow 21
- Unicode
- U+21A4
- Category
- Arrows
- HTML Entity
- ↤
- CSS
- \21A4
The ↤ (Leftwards Arrow From Bar) symbol features a left-pointing arrow originating from a solid vertical line. Found within the Unicode Arrows block, it is occasionally used in mathematics to denote an inverse mapping of an element or a specific logical assignment. In digital interfaces and typography, it serves as a handy visual indicator for actions like 'skip backward,' 'return to start,' or 'tab back.'
How to Type
- Windows
- Alt+8612 or type 21A4 then Alt+X in Word
- macOS
- Control+Command+Space then search 'leftwards arrow from bar'
- Linux
- Ctrl+Shift+U then 21A4
- HTML
- ↤ or ⇤
In Programming
In theoretical computer science and mathematics, arrows originating from a bar indicate element-wise mapping or anonymous functions, with the leftward variant specifically denoting an inverse mapping.
Tags
arrow
assignment
bar
direction
from
inverse mapping
left
math
programming
skip backward
tab back
unicode arrows