Mathematical Operators: Double Integral

∬

U+222C

∬

Noto text font

Plane: 0 (Basic Multilingual)
Block: Mathematical Operators
Unicode Version: 1.1

UTF-32BE: 00 00 22 2C
UTF-32LE: 2C 22 00 00
UTF-16BE: 22 2C
UTF-16LE: 2C 22
UTF-8: E2 88 AC

Character Escapes

HTML5: ∬; ∬; &Int;
C: \u222C (C99); \U00222C (C99)
C++: \u{222C} (C++23); \U0000222C; \u222C
Java: \u222C
JavaScript: \u{222C}; \u222C
CSS: \222C; \00222C
Quoted-Printable: =E2=88=AC
URL: %E2%88%AC