APL Functional Symbol Quad Question Symbol
⍰ is an APL functional symbol (quad question) with Unicode U+2370.
U+2370
⍰ is a Unicode character in the “Technical & Computer” category. It’s named “APL FUNCTIONAL SYMBOL QUAD QUESTION” and has codepoint U+2370. Use this page to copy the exact character and find related symbols.
Apl Functional Symbol Quad Question Symbol Meaning
⍰ is an APL functional symbol identified in Unicode as “APL FUNCTIONAL SYMBOL QUAD QUESTION” (U+2370). As an APL-related glyph, it is typically encountered in technical contexts where APL notation or symbolic displays are used. When you include it in text, code comments, mockups, or documentation, it signals a specific APL operator/function token rather than a general-purpose punctuation mark. Because it’s a specialized symbol, it’s most useful when your audience expects APL notation, such as developers, educators, or technical writers creating materials that reference APL expressions.
Common uses
- •Copy/paste APL notation in documentation or tutorials
- •Labeling APL tokens in a code editor or reference sheet
- •Including the exact Unicode symbol in technical writing
- •Designing UI mockups that display APL-style symbols correctly
- •Sharing APL-related examples in posts, notes, or comments
Examples
⍰ APL functional symbol quad question
- ⍰Use ⍰ in the APL expression shown below.
- ⍰The operator ⍰ appears in this reference table.
- ⍰In this worksheet, replace the placeholder with ⍰.
- ⍰My font renders ⍰ consistently at 12px and above.
- ⍰See ⍰ in the code comment explaining the token.
Variations
Ready to copy
Technical codes
| Unicode | U+2370 | |
| HTML Entity | ⍰ | |
| HTML Code | ⍰ | |
| CSS | \2370 | |
| Alt Code | Alt + 9072 | |
| Decimal | 9072 |
How to type APL Functional Symbol Quad Question Symbol (⍰)
On Windows
Hold Alt and type 9072 on the numeric keypad. In Word, type 2370 then press Alt + X.
On Mac
Switch to the Unicode Hex Input keyboard, then hold Option and type 2370. Or press Control + Command + Space and search.
On Linux
Press Control + Shift + U, type 2370, 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 Question symbol mean?
⍰ is an APL functional symbol identified in Unicode as “APL FUNCTIONAL SYMBOL QUAD QUESTION” (U+2370). As an APL-related glyph, it is typically encountered in technical contexts where APL notation or symbolic displays are used. When you include it in text, code comments, mockups, or documentation, it signals a specific APL operator/function token rather than a general-purpose punctuation mark. Because it’s a specialized symbol, it’s most useful when your audience expects APL notation, such as developers, educators, or technical writers creating materials that reference APL expressions.