The Surface Integral symbol (∯). Copy and paste it, or use its Unicode, HTML, and CSS codes.
More from Math.
The quickest way is to copy ∯ from this page and paste it anywhere. You can also insert it with its Unicode, HTML, or alt code listed above.
∯ is U+222F (decimal 8751).
Use ∯ in HTML to render ∯ on a web page.
On Windows you can type it with Alt+8751 (hold Alt and enter the number on the numeric keypad).
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