HTML Entity for Lowercase F Hook (ƒ)

Beginner
⏱️ 5 min read
📚 Updated: Jun 2026
🎯 1 Code Example
Unicode U+0192
HTML Entity for Lowercase F Hook tutorial illustration

What You'll Learn

How to display the lowercase f with hook (ƒ) in HTML using named entity, hexadecimal, decimal, and CSS escape methods. Also called the florin sign or function symbol, ƒ is used for historical Dutch guilder (florin) currency, mathematical function notation, and typography. It is U+0192 in the Latin Extended-B block.

Render it with ƒ, ƒ, ƒ, or CSS escape \0192. The named entity ƒ is often the most readable option in HTML source.

⚡ Quick Reference — Lowercase F Hook Entity

Unicode U+0192

Latin Extended-B

Hex Code ƒ

Hexadecimal reference

HTML Code ƒ

Decimal reference

Named Entity ƒ

Most readable option

Reference Table
Name           Value
────────────   ──────────
Unicode        U+0192
Hex code       ƒ
HTML code      ƒ
Named entity   ƒ
CSS code       \0192
Meaning        Latin small letter f with hook
Also known as  Florin sign / function symbol
Block          Latin Extended-B (U+0180–U+024F)
1

Complete HTML Example

A simple example showing the lowercase f hook (ƒ) using hexadecimal code, decimal HTML code, the named entity, and a CSS content escape:

html
<!DOCTYPE html>
<html>
<head>
 <style>
  #point:after{
   content: "\0192";
  }
 </style>
</head>
<body>
<p>Symbol (hex): &#x192;</p>
<p>Symbol (decimal): &#402;</p>
<p>Symbol (named): &fnof;</p>
<p id="point">Symbol (CSS): </p>
</body>
</html>
Try it Yourself

🌐 Browser Support

The lowercase f hook (ƒ) and the named entity &fnof; are supported in all modern browsers:

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

👀 Live Preview

See the lowercase f hook (ƒ) in common contexts:

Large glyphƒ
Function notationƒ(x) = x + 1
Named entity&fnof; renders as ƒ
Not the same asplain letter f (U+0066)
Numeric refs&#x192; &#402; &fnof; \0192

🧠 How It Works

1

Hexadecimal Code

&#x192; uses the Unicode hexadecimal value 192 to display the character. The x prefix indicates hexadecimal format.

HTML markup
2

Decimal HTML Code

&#402; uses the decimal Unicode value 402 to display the same character. One of the most commonly used methods in HTML.

HTML markup
3

Named Entity

&fnof; is the standard named entity for ƒ—readable in source HTML and part of the HTML5 entity set (short for “function” or “florin”).

HTML markup
4

CSS Entity

\0192 is used in CSS stylesheets, particularly in the content property of pseudo-elements like ::before and ::after.

CSS stylesheet
=

Same visual result

All four methods produce the glyph: ƒ. Unicode U+0192 sits in Latin Extended-B. Do not confuse ƒ (f hook / florin) with plain f (U+0066). The named entity &fnof; is often the most readable choice.

✅

Use Cases

The lowercase f hook (ƒ) is commonly used in:

💰 Currency

Display the florin symbol (ƒ) for historical Dutch guilder or other florin contexts.

📐 Mathematics

Represent the function symbol (script f) in equations, notation, and academic content.

💻 Programming docs

Use in documentation or UI that denotes “function” (e.g., ƒ(x)) or code-related typography.

🎨 Typography

Use the hooked f in type specimens, logos, or design systems requiring the distinct ƒ glyph.

📚 Academic content

Publish papers or textbooks that use the florin or function symbol with correct encoding.

📁 Abbreviations

Folder abbreviations or labels where the hooked f is a standard convention.

♿ Accessibility

Correct encoding so assistive technologies interpret ƒ (florin/function) correctly.

💡 Best Practices

Do

  • Use &fnof; in HTML when possible for readability
  • Serve pages as UTF-8; you can also type ƒ directly in UTF-8 source
  • Use the same method (named or numeric) consistently within a document
  • Use fonts that support Latin Extended-B characters
  • Distinguish ƒ (f hook) from plain f (U+0066)

Don’t

  • Use plain f or &#102; when ƒ is required
  • Put CSS escape \0192 in HTML text nodes
  • Assume all fonts render Latin Extended-B glyphs identically
  • Confuse ƒ with other f variants (reverse, tail, etc.)
  • Mix entity styles randomly in one file

Key Takeaways

1

Four references render ƒ; named entity is most readable

&#x192; &#402; &fnof;
2

For CSS stylesheets, use the escape in the content property

\0192
3

Unicode U+0192 — LATIN SMALL LETTER F WITH HOOK

4

Florin sign and function symbol in Latin Extended-B

5

Previous: Lowercase F   Next: Lowercase F Reverse

❓ Frequently Asked Questions

Use &fnof; (named), &#x192; (hex), &#402; (decimal), or \0192 in CSS content. All four methods render ƒ correctly.
U+0192 (LATIN SMALL LETTER F WITH HOOK). Latin Extended-B block. Hex 192, decimal 402. Used as the florin currency symbol and function symbol in mathematics.
For the florin currency symbol, function notation in math and programming, script f in mathematical notation, folder abbreviations, and typography where the hooked f is required. Use &fnof; for readable, maintainable HTML.
The plain letter f is U+0066 (Basic Latin). The f hook ƒ is U+0192 (Latin Extended-B) with a distinct hooked shape. Use &fnof; or &#402; when you need ƒ, and f or &#102; for the regular letter.
The uppercase f hook (Ƒ) is U+0191. In HTML use &#401; or &#x191;. There is no standard named entity for the uppercase form; use numeric or CSS codes for Ƒ.

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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.

AWS Certified Developer – Associate (Credly)

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