↡

Arrow 18

Unicode
U+21A1
Category
Arrows
HTML Entity
↡
CSS
\21A1
The ↡ (downwards two-headed arrow) symbol features a vertical stem pointing downward with two stacked arrowheads. Originally part of the Unicode Arrows block, it is frequently used in digital user interfaces to signify a "scroll to bottom" or "page down" action. Mathematicians also utilize double-headed arrows in category theory to denote epimorphisms, representing surjective functions in vertical diagrams.

How to Type

Windows
Alt+8609
macOS
Control+Command+Space then search "downwards two headed arrow"
Linux
Ctrl+Shift+U then type 21a1 and press Enter
HTML
↡

In Programming

UI developers often utilize this symbol in application menus or pagination scripts to trigger a "jump to bottom" or "expand all" command. In mathematical formatting systems like LaTeX, it visually represents vertical surjective functions in complex diagrams.

Tags

UI icon arrow category theory direction double arrowhead double head down downwards double head epimorphism fast page down scroll to bottom two-headed arrow

Related Symbols

← Left Arrow ↑ Up Arrow → Right Arrow ↓ Down Arrow ↔ Left Right Arrow ↕ Up Down Arrow ↖ North West Arrow ↗ North East Arrow ↘ South East Arrow ↙ South West Arrow ↞ Left Two Headed Arrow ↠ Right Two Headed Arrow