Double Integral ∬
Symbol Meaning
Double Integral. Mathematical Operators.
The symbol “Double Integral” is included in the “Integrals” subblock of the “Mathematical Operators” block and was approved as part of Unicode version 1.1 in 1993.
| Unicode Name | Double Integral |
| Unicode Number | |
| HTML Code | |
| CSS Code | |
| Entity | ∬ |
| Plane | 0: Basic Multilingual Plane |
| Unicode Block | Mathematical Operators |
| Unicode Subblock | Integrals |
| Unicode Version | 1.1 (1993) |
| Type of paired mirror bracket (bidi) | None |
| Composition Exclusion | No |
| Case change | 222C |
| Simple case change | 222C |
| Math | + |
| Grapheme_Base | + |
| scripts | Common |
| Pattern_Syntax | + |
| Encoding | hex | dec (bytes) | dec | binary |
|---|---|---|---|---|
| UTF-8 | E2 88 AC | 226 136 172 | 14846124 | 11100010 10001000 10101100 |
| UTF-16BE | 22 2C | 34 44 | 8748 | 00100010 00101100 |
| UTF-16LE | 2C 22 | 44 34 | 11298 | 00101100 00100010 |
| UTF-32BE | 00 00 22 2C | 0 0 34 44 | 8748 | 00000000 00000000 00100010 00101100 |
| UTF-32LE | 2C 22 00 00 | 44 34 0 0 | 740425728 | 00101100 00100010 00000000 00000000 |