The Right Ceiling symbol (⌉). Copy and paste it, or use its Unicode, HTML, and CSS codes.
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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+2309 (decimal 8969).
Use ⌉ in HTML to render ⌉ on a web page.
On Windows you can type it with Alt+8969 (hold Alt and enter the number on the numeric keypad).
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