free-symbols
𝙛

Mathematical Sans-serif Bold Italic Small F Symbol

𝙛 is a mathematical styled lowercase “f” in sans-serif bold italic form.

U+1D65B

𝙛 is a Unicode character from the Mathematical Alphanumeric Symbols set. It’s the bold italic small f rendered in a sans-serif style, often used in mathematical notation and typography.

Mathematical Sans-serif Bold Italic Small F Symbol Meaning

𝙛 (U+1D65B) is a typographic variant of the lowercase letter “f” designed for mathematical and technical contexts. The “mathematical sans-serif” styling distinguishes it from regular italic f, while the “bold italic” weight makes it stand out in formulas or notation. In practice, it may label functions, variables, or parameters—especially when authors want a consistent set of styled Latin letters. It can also be used in design or branding for a math/tech look, as long as your document supports the character’s Unicode code point.

Common uses

  • Labeling a function or variable in math equations where “f” needs a bold italic sans-serif style
  • Typesetting mathematical text in LaTeX-like documents or Unicode-based math layouts
  • Creating consistent symbol sets in posters, infographics, or educational materials
  • Designing UI/typography elements that use a math-styled lowercase f
  • Providing a distinctive character in social media or technical writing for a math/engineering tone

Examples

𝙛 — Mathematical Sans-Serif Bold Italic Small F

  • 𝙛Let 𝙛(x) = x² + 1.
  • 𝙛We define 𝙛 as the transformation on the interval.
  • 𝙛For all x, 𝙛 is differentiable.
  • 𝙛Choose 𝙛 to minimize the objective.
  • 𝙛The value of 𝙛 determines the output.

Variations

Ready to copy

Technical codes

UnicodeU+1D65B
HTML Entity𝙛
HTML Code𝙛
CSS\1D65B

FAQ

What does the Mathematical Sans-serif Bold Italic Small F symbol mean?

𝙛 (U+1D65B) is a typographic variant of the lowercase letter “f” designed for mathematical and technical contexts. The “mathematical sans-serif” styling distinguishes it from regular italic f, while the “bold italic” weight makes it stand out in formulas or notation. In practice, it may label functions, variables, or parameters—especially when authors want a consistent set of styled Latin letters. It can also be used in design or branding for a math/tech look, as long as your document supports the character’s Unicode code point.

What Unicode character is 𝙛?

𝙛 is “MATHEMATICAL SANS-SERIF BOLD ITALIC SMALL F” with code point U+1D65B.

How do I copy 𝙛 into HTML?

You can use the HTML entity: 𝙛.

How do I use 𝙛 in CSS or JavaScript?

CSS escape: \\1D65B. JavaScript escape: \\u{1D65B}.

Will 𝙛 look the same everywhere?

Its appearance depends on font support for this Unicode math character, but the code point (U+1D65B) stays the same.