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𝒇

Mathematical Bold Italic Small F Symbol

𝒇 is a Unicode mathematical bold italic small f used for styled variables and symbols in math and design.

U+1D487

𝒇 is a Unicode character used to represent a bold italic lowercase β€œf” in mathematical contexts. It’s useful when you need a distinct typographic style for variables, functions, or labels. This page helps you copy it reliably and use it in text, code, and design tools.

Mathematical Bold Italic Small F Symbol Meaning

𝒇 is the Unicode character named β€œMATHEMATICAL BOLD ITALIC SMALL F” with codepoint U+1D487. As a styled math letter, it’s typically used to differentiate a lowercase β€œf” from other letter styles in equations and technical typography. Designers and writers may also use it as a decorative or consistent typographic element where bold italic math styling is desired. In most cases, it behaves like a typographic variant of the standard letter β€œf,” selected to match a specific mathematical or visual style rather than to indicate a unique universal meaning on its own.

Common uses

  • β€’Use 𝒇 as a styled variable name in mathematical equations and notes
  • β€’Label functions or quantities in technical writing where a bold-italic f is required
  • β€’Create consistent typography in academic documents and STEM slide decks
  • β€’Use in UI or dashboard designs that display mathematical notation
  • β€’Include in code-generated math text where a specific styled character is needed

Examples

𝒇 β€” Mathematical Bold Italic Small F

  • 𝒇Let 𝒇(x) = x^2 + 1.
  • 𝒇We define 𝒇 as the target function.
  • 𝒇Plot 𝒇 for x in [0, 2].
  • 𝒇The derivative of 𝒇 is computed numerically.
  • 𝒇Use 𝒇 to represent the filter response.

Variations

Ready to copy

Technical codes

UnicodeU+1D487
HTML Entity𝒇
HTML Code𝒇
CSS\1D487

FAQ

What does the Mathematical Bold Italic Small F symbol mean?

𝒇 is the Unicode character named β€œMATHEMATICAL BOLD ITALIC SMALL F” with codepoint U+1D487. As a styled math letter, it’s typically used to differentiate a lowercase β€œf” from other letter styles in equations and technical typography. Designers and writers may also use it as a decorative or consistent typographic element where bold italic math styling is desired. In most cases, it behaves like a typographic variant of the standard letter β€œf,” selected to match a specific mathematical or visual style rather than to indicate a unique universal meaning on its own.

What is the Unicode codepoint for 𝒇?

𝒇 is U+1D487, named β€œMATHEMATICAL BOLD ITALIC SMALL F.”

How can I copy 𝒇 into HTML?

You can use the HTML entity 𝒇.

What’s the JavaScript escape sequence for 𝒇?

Use \\u{1D487} in JavaScript.

Is 𝒇 the same as a normal lowercase 'f'?

Visually it resembles a styled lowercase f, but 𝒇 is a distinct Unicode character intended for mathematical bold-italic typography.