⇑

Up Double Arrow

Unicode
U+21D1
Category
Arrows
HTML Entity
⇑
CSS
\21D1
The Upwards Double Arrow (⇑) is a standard Unicode symbol featuring two parallel vertical lines pointing upward to a single arrowhead. In mathematics and logic, it frequently denotes specific operations, mathematical limits, or logical transitions. You will also spot it in digital design as a bold visual cue to "scroll to top," in technical manuals representing the Shift key, or in chat threads to emphatically point to a message sent just above.

How to Type

Windows
Alt+8657 or Win+. then search
macOS
Control+Command+Space then search
HTML
⇑ or ⇑

In Programming

In mathematics, ⇑ is often used to represent logical transitions, specific upward limits, or algorithmic operations. In technical documentation, it is widely recognized as the shorthand symbol for the Shift key on a computer keyboard.

Read full meaning article

Tags

arrow direction double double up arrow keyboard symbol mathematical limits scroll to top scroll up arrow shift key symbol unicode double arrow up up upward direction upwards double 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