⎡ Left Square Bracket Upper Corner Symbol: Copy & Paste

Unicode information

NameLeft Square Bracket Upper Corner

Unicode nameLEFT SQUARE BRACKET UPPER CORNER

Code pointU+23A1

HTML decimal⎡

HTML hex⎡

CSS\23a1

JavaScript\u23A1

CategoryMath

Unicode17.0

Meaning of ⎡ Left Square Bracket Upper Corner

The ⎡ character is listed as Left Square Bracket Upper Corner in SymbolDex. Its technical Unicode name is LEFT SQUARE BRACKET UPPER CORNER. It is associated with mathematical notation; its exact function depends on the formula or notation system in which it appears.

Common uses

Mathematical formulas and expressions.
Scientific, technical or educational documentation.
Unicode text that requires this specific notation.

How to type ⎡ on Windows, Mac and mobile

Windows

The universal method is to use Copy on this page and paste ⎡. On Windows 10/11 you can press Win + . and browse the Symbols section, or open Character Map (charmap) to locate characters supported by your fonts.

Mac

Press Control + Command + Space to open Character Viewer, search for Left Square Bracket Upper Corner, then double-click it to insert the character.

Microsoft Word

Type 23A1 without U+, then immediately press Alt + X. Word converts the code into ⎡. You can also use Insert → Symbol.

Google Docs

Open Insert → Special characters and search by name, or paste ⎡ directly. For emoji, you can also use your operating system emoji picker.

iPhone / iPad

iOS does not provide a direct Unicode-code entry method for every symbol. Copy ⎡ from SymbolDex or check long-press variants on related keys. For frequent use, create a shortcut under Settings → General → Keyboard → Text Replacement.

Android

Availability varies by Android keyboard. In Gboard, browse the symbols panel and long-press related keys for variants. If it is not available, copy ⎡ from SymbolDex and paste it where needed.

Linux

In many Linux apps using GTK/IBus, press Ctrl + Shift + U, type 23a1, then confirm with Enter or Space. If your app does not support this method, copy and paste ⎡.

Web and programming codes

Copy the representation you need for HTML, CSS, JavaScript or Python. For emoji sequences, SymbolDex includes every code point in the correct order.

HTML decimal⎡

HTML hex⎡

CSS content\23a1

JavaScript\u23A1

Python\u23A1

Unicode text⎡

Usage examples

⎡ — Left Square Bracket Upper Corner

Unicode: U+23A1

HTML: ⎡