Mathematical Sans-Serif Bold Capital F 𝗙

Visual Description: This glyph shows a bold, geometric F in a mathematical sans-serif style. It has clean vertical strokes and a flat, squared-off counter. The strokes are uniform in width, with no serifs. The form looks crisp on digital screens. It sits tall and compact, designed for dense notation.

Meaning & Usage: It marks a bold version of a Latin F in math notation. It signals variables, functions, or vectors that require emphasis. It is used with other bold symbols to show a consistent style. Use it to distinguish a named constant or key term from normal text.

Historical Background: This character is part of a family of mathematical alphanumeric symbols that extend the Latin alphabet with bold and other styles. The idea is to provide a consistent set for mathematics that works on digital displays. Designers adopt sans-serif shapes with even stroke widths to reduce distraction. The system is a typographic convention rather than tied to real events.

Practical Use: In calculators, fonts, and quick UI controls, use the bold capital F to signal emphasis or a specific concept. Pair it with other bold symbols for consistent math notation. It aids quick recognition in formulas, labels, and comparisons, especially in dense layouts. Keep styling uniform across documents.

See our category page for related symbols.

Look‑alikes: F (U+46).

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