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SYMBOL

Left Square Bracket Extension

Unicode information

NameLeft Square Bracket Extension
Unicode nameLEFT SQUARE BRACKET EXTENSION
Code pointU+23A2
HTML decimal⎢
HTML hex⎢
CSS\23a2
JavaScript\u23A2
CategoryMath
Unicode17.0

Meaning of ⎢ Left Square Bracket Extension

The character is listed as Left Square Bracket Extension in SymbolDex. Its technical Unicode name is LEFT SQUARE BRACKET EXTENSION. 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 Extension, then double-click it to insert the character.

Microsoft Word

Type 23A2 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 23a2, 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\23a2
JavaScript\u23A2
Python\u23A2
Unicode text

Usage examples

⎢ — Left Square Bracket Extension
Unicode: U+23A2
HTML: ⎢

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