The Inverted Lazy S 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+223E (decimal 8766).
Use ∾ in HTML to render ∾ on a web page.
On Windows you can type it with Alt+8766 (hold Alt and enter the number on the numeric keypad).
Yes — copying is completely free and unlimited, and works right in your browser with no sign-up.