View details and encodings for Unicode character U+222C Double Integral, located in the Mathematical Operators block and Math Symbol category. This character was released in 1993 under Unicode version 1.1.
∬
∬∬U+222C;8748\00222C\u222C\x{222C}\u{222C}u'\u222C'E288AC222C0000222C| Image | Browser | Unicode | Name |
|---|---|---|---|
![]() | ∬ | U+222C | Double Integral |
![]() | ∭ | U+222D | Triple Integral |
![]() | ⨌ | U+2A0C | Quadruple Integral Operator |