The Not Check Mark 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+237B (decimal 9083).
Use ⍻ in HTML to render ⍻ on a web page.
On Windows you can type it with Alt+9083 (hold Alt and enter the number on the numeric keypad).
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