HTML Entity for Square Original Of Or Equal To (⊒)

Beginner
⏱️ 5 min read
📚 Updated: Jun 2026
🎯 1 Code Example
Unicode U+2292

What You'll Learn

How to display Square Original Of Or Equal To (⊒) in HTML using named, hexadecimal, decimal, and CSS escape methods. This character is U+2292 (SQUARE ORIGINAL OF OR EQUAL TO) in the Mathematical Operators block (U+2200–U+22FF)—a set-theoretic relation indicating a square original with equality.

Render it with ⊒, ⊒, ⊒, or CSS \2292. Related to Square Original Of U+2290 (⊐, ⊐) and paired on the image side with Square Image Of Or Equal To U+2291 (⊑, ⊑).

⚡ Quick Reference — Square Original Of Or Equal To

Unicode U+2292

Mathematical Operators

Hex Code ⊒

Hexadecimal reference

HTML Code ⊒

Decimal reference

Named Entity ⊒

Most readable option

Reference Table
Name           Value
────────────   ──────────
Unicode        U+2292
Hex code       ⊒
HTML code      ⊒
Named entity   ⊒
CSS code       \2292
Meaning        Square original of or equal to
Related        U+2290 = square original of (⊐, ⊐)
Related        U+2291 = square image of or equal to (⊑, ⊑)
Related        U+22E5 = square original of not equal to (⋥)
Block          Mathematical Operators (U+2200–U+22FF)
1

Complete HTML Example

A simple example showing ⊒ using the named entity, hexadecimal code, decimal HTML code, and a CSS content escape:

html
<!DOCTYPE html>
<html>
<head>
 <style>
  #point::after{
   content: "\2292";
  }
 </style>
</head>
<body>
<p>Square original of or equal to (named): &sqsupe;</p>
<p>Square original of or equal to (hex): &#x2292;</p>
<p>Square original of or equal to (decimal): &#8850;</p>
<p id="point">Square original of or equal to (CSS): </p>
</body>
</html>
Try it Yourself

🌐 Browser Support

Square Original Of Or Equal To (⊒) is supported in all modern browsers when fonts include Mathematical Operators glyphs:

Chrome1+
Firefox1+
Safari1+
Edge12+
Opera4+
Android4.4+
iOS Safari1+

👀 Live Preview

See the square original of or equal to symbol in mathematical contexts:

Single symbol
Set notation A ⊒ B (square original of or equal to)
Image and original Image or equal ⊑  |  Original or equal ⊒
Named entity &sqsupe; renders as ⊒
Numeric refs &sqsupe; &#x2292; &#8850; \2292

🧠 How It Works

1

Named HTML Entity

&sqsupe; is the semantic named entity for the square original of or equal to relation—the most readable option in source HTML.

HTML markup
2

Hexadecimal Code

&#x2292; uses Unicode hexadecimal 2292 to display ⊒ in HTML markup.

HTML markup
3

Decimal HTML Code

&#8850; uses decimal Unicode value 8850 for the same character.

HTML markup
4

CSS Entity

\2292 is used in CSS stylesheets in the content property of pseudo-elements like ::after.

CSS stylesheet
=

Same visual result

All four methods produce . Unicode U+2292 in Mathematical Operators (U+2200–U+22FF).

Use Cases

Square Original Of Or Equal To (⊒) commonly appears in:

📊 Set theory

Square original relations that include equality between sets.

📐 Mathematical notation

Equations and formulas using the or-equal-to square original operator.

📚 Academic papers

Research on order theory, logic, and abstract algebra.

🏫 Educational content

Tutorials on set relations and mathematical operators.

📄 Technical documentation

Scientific and engineering references with precise notation.

🛠 Formula editors

Web-based math tools displaying relation symbols.

💡 Best Practices

Do

  • Use &sqsupe; for readable source markup
  • Distinguish ⊒ (or equal) from ⊐ (original only, &sqsup;)
  • Pair with image-side ⊑ (&sqsube;) when documenting both relations
  • Pick one entity style (named, hex, or decimal) per project
  • Test rendering with math-friendly fonts

Don’t

  • Use padded Unicode notation like U+02292—the correct value is U+2292
  • Use CSS \02292 with a leading zero—prefer \2292
  • Confuse &sqsupe; with &sqsup; or &sqsube;
  • Assume ⊒ and superset-or-equal ⊇ (&supe;) are the same operator
  • Put CSS escape \2292 in HTML text nodes

Key Takeaways

1

Four HTML/CSS references all render ⊒

&sqsupe; &#x2292; &#8850;
2

For CSS stylesheets, use \2292 in the content property

3

Unicode U+2292 — SQUARE ORIGINAL OF OR EQUAL TO (⊒)

4

&sqsupe; is or-equal; &sqsup; is original only (U+2290)

❓ Frequently Asked Questions

Use &sqsupe; (named), &#x2292; (hex), &#8850; (decimal), or \2292 in CSS content. All four render ⊒.
U+2292 (SQUARE ORIGINAL OF OR EQUAL TO). Mathematical Operators (U+2200–U+22FF). Hex 2292, decimal 8850, named &sqsupe;.
&sqsupe; renders ⊒ (U+2292, square original of or equal to). &sqsup; renders ⊐ (U+2290, square original of). The or-equal variant includes equality in the relation.
For mathematical notation, set theory, square original relations with equality, technical documentation, academic papers, and educational content that need this operator.
HTML references (&sqsupe;, &#8850;, or &#x2292;) go in markup. The CSS escape \2292 is used in stylesheets, typically in the content property of ::before or ::after. Same visual result, different layers of the stack.

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About the author

Mari Selvan M P
Mari Selvan M P 🔗

Developer, cloud engineer, and technical writer

  • Experience 12 years building web and cloud systems
  • Focus Full Stack Development, AWS, and Developer Education

I write practical tutorials so students and working developers can learn by doing—from databases and APIs to deployment on AWS.

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