HTML character: √ = √

«square root (radical sign) math»

  • Fonts: italic: bold: code: serif: sans-serif: fixed:
  • HTML-encoded: √
  • Unicode codepoint: √
  • Unicode hexadecimal: U+221A
  • URL Encoded: %E2%88%9A
  • Related characters:
    ×±<>÷¥§®

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In HTML (and XML), there are 'character entity reference' that are used to represent non-ASCII characters. E.g. the character '→' can be encoded as &rarr;, to use in a non-Unicode-compatible text format. These characters will follow the style and size of your font.
For Emoji characters like 🥁 and 😆, check the Emoji character map.

References