∬ Double integral
∬ is the double integral, Unicode U+222C, from the maths symbols. Copy and paste it, or type it with its HTML or CSS code.
∬
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About it
- Name: Double integral
- Group: Maths
- Unicode: U+222C
- HTML:
∬or∬ - CSS:
content: "\222C" - JavaScript:
\u222C
It is plain text, so it pastes into any app, chat, document or social post, and shows in whatever font is around it.