Left Floor Symbol

A symbol from the Bracket Symbols collection. Click the symbol or the button below to copy.

Bracket Symbols collection

Symbol: ⌊
Unicode: U+230A
HTML entity: ⌊
Category: Bracket Symbols

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27 of 56 in the bracket symbols collection

About the left floor symbol

In mathematical and technical typesetting, the left floor symbol marks the beginning of a floor function expression, where it pairs with a right floor symbol to enclose a value that is rounded down to the nearest integer. It is also used in computer science and formal logic for similar bracketing of expressions. As an opening punctuation character in the Miscellaneous Technical block, it has a standardized appearance across fonts and systems, distinct from ordinary brackets.

How to type Left Floor

Native keyboard shortcuts for each operating system — derived from the codepoint, so the steps below are always accurate.

Windows

2 options

In Word / Outlook: type 230A then press Alt + X.
Anywhere: press Win + . to open the emoji & symbol picker, then search.

macOS

2 options

Enable “Unicode Hex Input” in System Settings → Keyboard, then hold Option and type 230A.
Or: Control + Command + Space opens the Character Viewer — search by name.