↿
Arrow 48
- Unicode
- U+21BF
- Category
- Arrows
- HTML Entity
- ↿
- CSS
- \21BF
The ↿ (Upwards Harpoon With Barb Left) symbol is a specialized typographical arrow featuring a straight vertical shaft and a single left-facing barb at its peak. Belonging to the Unicode Arrows block, it is primarily used in complex mathematical equations, scientific notation, and formal logic. While rarely seen in casual social media posts, it serves as an essential notation mark for formatting advanced calculus and physics texts.
How to Type
- Windows
- Alt+8639 or type 21BF followed by Alt+X in Microsoft Word
- macOS
- Control+Command+Space then search 'upwards harpoon'
- Linux
- Ctrl+Shift+U then 21bf and press Space
- HTML
- ↿ or ↿
In Programming
In programming and mathematical typesetting, this symbol is frequently used in LaTeX (via `\upharpoonleft`) to denote function restrictions or specific vector notations. It is also supported in scientific markup languages like MathML for precise equation rendering.
Tags
arrow
half arrow up left
harpoon
harpoon arrow
left
math
math arrow
orbital diagram
physics symbol
quantum mechanics
spin up electron
unicode arrow
up
upward harpoon
vector notation