APL Functional Symbol Quad Diamond Symbol
The ⌺ symbol is an APL functional symbol known as the quad diamond.
U+233A
⌺ is a technical character associated with APL notation. It’s typically used as a functional symbol rather than a decorative icon. On this page you can copy the character and find practical ways to include it in text and code.
Apl Functional Symbol Quad Diamond Symbol Meaning
⌺ is the “APL Functional Symbol Quad Diamond” (Unicode U+233A, HTML entity ⌺). As an APL functional symbol, it is used in contexts where APL-style operations and function names are represented. In practical terms, you’ll most often encounter it in documentation, source code, or technical writing that references APL syntax. Because it belongs to the “Technical & Computer” category, it’s best treated as a notation character: use it when you need to display the exact symbol, not as a general-purpose punctuation mark. For web or software use, copy the character directly or use its escapes (CSS \\233A or JavaScript \\u{233A}).
Common uses
- •Including APL notation in technical documentation and guides
- •Writing or reviewing APL-related examples in tutorials and worksheets
- •Displaying the symbol in code snippets or source comments that reference APL functions
- •Creating consistent symbol styling in UI mockups for developer tools
- •Formatting text in posts or changelogs that mention specific APL operators
Examples
⌺ APL Functional Symbol Quad Diamond
- ⌺“In APL, ⌺ marks this functional symbol.”
- ⌺“The expression uses ⌺ as part of the operation.”
- ⌺“See the APL reference entry for ⌺.”
- ⌺“Replace the placeholder with ⌺ in your example.”
- ⌺“This documentation includes ⌺ to match the original notation.”
Variations
Ready to copy
Technical codes
| Unicode | U+233A | |
| HTML Entity | ⌺ | |
| HTML Code | ⌺ | |
| CSS | \233A | |
| Alt Code | Alt + 9018 | |
| Decimal | 9018 |
How to type APL Functional Symbol Quad Diamond Symbol (⌺)
On Windows
Hold Alt and type 9018 on the numeric keypad. In Word, type 233A then press Alt + X.
On Mac
Switch to the Unicode Hex Input keyboard, then hold Option and type 233A. Or press Control + Command + Space and search.
On Linux
Press Control + Shift + U, type 233a, then press Enter or Space.
Anywhere
Copy ⌺ with the button above and paste it wherever you need it — this works on every device and in every app, with no keyboard shortcut to remember.
FAQ
What does the Apl Functional Symbol Quad Diamond symbol mean?
⌺ is the “APL Functional Symbol Quad Diamond” (Unicode U+233A, HTML entity ⌺). As an APL functional symbol, it is used in contexts where APL-style operations and function names are represented. In practical terms, you’ll most often encounter it in documentation, source code, or technical writing that references APL syntax. Because it belongs to the “Technical & Computer” category, it’s best treated as a notation character: use it when you need to display the exact symbol, not as a general-purpose punctuation mark. For web or software use, copy the character directly or use its escapes (CSS \\233A or JavaScript \\u{233A}).
What is the Unicode code point for ⌺?
⌺ is Unicode U+233A.
How do I copy ⌺ into HTML?
You can copy the character directly, or use the HTML entity ⌺.
What escapes can I use in CSS and JavaScript?
CSS: \\233A. JavaScript: \\u{233A}.
Is ⌺ meant for general punctuation or math?
No—⌺ is specifically an APL functional symbol, so it’s best used when you need to match APL notation exactly.