∬
U+222C DOUBLE INTEGRAL
Mathematical Operators · Math symbol
| Name | DOUBLE INTEGRAL |
|---|---|
| Code point | U+222C |
| Decimal | 8748 |
| Block | Mathematical Operators |
| Category | Math symbol (Sm) |
| UTF-8 | E2 88 AC |
| UTF-16 | 222C |
| UTF-32 | 0000222C |
| HTML | ∬ ∬ |
| CSS | \222C |
| JavaScript | \u222C |
| Python | \u222c |
| URL-encoded | %E2%88%AC |
| Decomposition | <compat> 222B 222B |
Frequently asked questions
What is the character U+222C?
U+222C ∬ is officially named DOUBLE INTEGRAL. It belongs to the Mathematical Operators block and the category Math symbol.
How do I type ∬?
Windows (Word, WordPad): type 222C, then press Alt+X. Linux (GTK/IBus): Ctrl+Shift+U 222c, then Space. macOS: enable the “Unicode Hex Input” keyboard, hold Option and type 222C. Or simply copy it from this page.
How do I write ∬ in HTML?
As a numeric character reference ∬ (decimal) or ∬ (hexadecimal). In UTF-8 documents you can also insert the character directly.
How is ∬ encoded in UTF-8?
In UTF-8 the character takes 3 bytes: E2 88 AC. In UTF-16: 222C.