# ⎡ U+23A1 LEFT SQUARE BRACKET UPPER CORNER

Top corner of a tall left square bracket, used to build big matrix brackets across lines.

| | |
|---|---|
| Character | `⎡` |
| Codepoint | U+23A1 |
| Name | LEFT SQUARE BRACKET UPPER CORNER |
| Block | [Miscellaneous Technical](https://unicodekit.com/block/miscellaneous-technical) |
| Script | Common |
| Category | Math Symbol (Sm) |
| Unicode version | 3.2 |
| HTML | `⎡` `⎡` |
| CSS | `\23A1` |
| JavaScript | `\u23A1` |
| UTF-8 | E2 8E A1 |
| UTF-16 | 23A1 |

## Related characters

- ⎠ [U+23A0 RIGHT PARENTHESIS LOWER HOOK](https://unicodekit.com/char/23A0)
- ⎢ [U+23A2 LEFT SQUARE BRACKET EXTENSION](https://unicodekit.com/char/23A2)
- ⎟ [U+239F RIGHT PARENTHESIS EXTENSION](https://unicodekit.com/char/239F)
- ⎣ [U+23A3 LEFT SQUARE BRACKET LOWER CORNER](https://unicodekit.com/char/23A3)
- ⎞ [U+239E RIGHT PARENTHESIS UPPER HOOK](https://unicodekit.com/char/239E)
- ⎤ [U+23A4 RIGHT SQUARE BRACKET UPPER CORNER](https://unicodekit.com/char/23A4)
- ⎝ [U+239D LEFT PARENTHESIS LOWER HOOK](https://unicodekit.com/char/239D)
- ⎥ [U+23A5 RIGHT SQUARE BRACKET EXTENSION](https://unicodekit.com/char/23A5)
- ⎜ [U+239C LEFT PARENTHESIS EXTENSION](https://unicodekit.com/char/239C)
- ⎦ [U+23A6 RIGHT SQUARE BRACKET LOWER CORNER](https://unicodekit.com/char/23A6)
- ⎛ [U+239B LEFT PARENTHESIS UPPER HOOK](https://unicodekit.com/char/239B)
- ⎧ [U+23A7 LEFT CURLY BRACKET UPPER HOOK](https://unicodekit.com/char/23A7)

Page: https://unicodekit.com/char/23A1 · JSON: https://unicodekit.com/characters/23A1