The Quadruple Integral Operator 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+2A0C (decimal 10764).
Use ⨌ in HTML to render ⨌ on a web page.
On Windows you can type it with Alt+10764 (hold Alt and enter the number on the numeric keypad).
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