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𝐅

Mathematical Bold Capital F Symbol

𝐅 is the mathematical bold capital letter F (U+1D405) used in math and typesetting contexts.

U+1D405

𝐅 is a Unicode character known as the Mathematical Bold Capital F. It’s commonly used to represent bold or styled mathematical variables and symbols. You can copy it directly or use the provided HTML/CSS/JavaScript escapes.

Mathematical Bold Capital F Symbol Meaning

𝐅 (U+1D405) is a Unicode character that displays a mathematical bold, uppercase letter β€œF”. Because it’s part of the Mathematical Alphanumeric Symbols block, it is typically used in technical writing, equations, and design mockups where a bold β€œF” is needed consistently across platforms. In math and formula contexts, it often serves as a variable, function label, matrix or set name, or a styled identifier. Its appearance depends on the font, but the character identity remains the same, making it useful when you want β€œbold F” that behaves like a single Unicode glyph rather than an artificially bolded letter.

Common uses

  • β€’Representing a bold variable or label β€œF” in math notes and equations
  • β€’Designing equation-like typography in presentations and slides
  • β€’Using a consistent styled β€œF” in scientific or technical writing
  • β€’Creating logo-like typographic elements that need a bold-capital look
  • β€’Annotating diagrams or graphs where a bold β€œF” label improves clarity

Examples

𝐅 β€” Mathematical Bold Capital F

  • 𝐅𝐅 = {x | x > 0}
  • 𝐅Let 𝐅 be a function.
  • 𝐅Choose 𝐅 to satisfy the condition.
  • 𝐅The set 𝐅 is finite.
  • 𝐅Compute 𝐅 at the given point.

Variations

Ready to copy

Technical codes

UnicodeU+1D405
HTML Entity𝐅
HTML Code𝐅
CSS\1D405

FAQ

What does the Mathematical Bold Capital F symbol mean?

𝐅 (U+1D405) is a Unicode character that displays a mathematical bold, uppercase letter β€œF”. Because it’s part of the Mathematical Alphanumeric Symbols block, it is typically used in technical writing, equations, and design mockups where a bold β€œF” is needed consistently across platforms. In math and formula contexts, it often serves as a variable, function label, matrix or set name, or a styled identifier. Its appearance depends on the font, but the character identity remains the same, making it useful when you want β€œbold F” that behaves like a single Unicode glyph rather than an artificially bolded letter.

What is the Unicode code point for 𝐅?

𝐅 is U+1D405 (Mathematical Bold Capital F).

How do I copy 𝐅 in HTML?

You can use the HTML entity: 𝐅

What CSS escape can I use for 𝐅?

CSS escape: \\1D405

What JavaScript escape represents 𝐅?

JavaScript escape: \\u{1D405}