Below is the complete list of Windows ALT Codes for Math Ceiling, Floor & Quine Corner Symbols, their corresponding HTML entity numeric character references, and when available, their corresponding HTML entity named character references, and Unicode code points. If you are new to ALT codes and need detailed instructions on how to use ALT codes in your Microsoft Office documents such as Word, Excel & PowerPoint or applicable Microsoft Windows programs & applications, please read How to Use ALT Codes to Enter Special Characters. If you want, instead of using ALT codes, you can also just quickly tap or click any math ceiling, floor or quine corner symbol in the list below to copy and paste it into your document. (Note: Some symbols might not display correctly due to device or platform limitations in character/text representation.)
| Symbol | ALT Code | ALT X Code | Symbol Name | HTML Entity DEC | HTML Entity HEX | HTML Entity Named | Unicode Code Point |
|---|---|---|---|---|---|---|---|
| ⌈ | ALT 8968 | 2308 ALT X | Left ceiling, APL upstile | ⌈ | ⌈ | U+2308 | |
| ⌉ | ALT 8969 | 2309 ALT X | Right ceiling | ⌉ | ⌉ | U+2309 | |
| ⌊ | ALT 8970 | 230A ALT X | Left floor, APL downstile | ⌊ | ⌊ | U+230A | |
| ⌋ | ALT 8971 | 230B ALT X | Right floor | ⌋ | ⌋ | U+230B | |
| ⌜ | ALT 8988 | 231C ALT X | Top left corner | ⌜ | ⌜ | ⌜ | U+231C |
| ⌝ | ALT 8989 | 231D ALT X | Top right corner | ⌝ | ⌝ | ⌝ | U+231D |
| ⌞ | ALT 8990 | 231E ALT X | Bottom left corner | ⌞ | ⌞ | ⌞ | U+231E |
| ⌟ | ALT 8991 | 231F ALT X | Bottom right corner | ⌟ | ⌟ | ⌟ | U+231F |
For more math signs and symbols, see ALT Codes for Math Symbols. For the the complete list of the first 256 Windows ALT Codes, visit Windows ALT Codes for Special Characters & Symbols.
