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𝐀

Mathematical Bold Capital A Symbol

𝐀 is the Mathematical Bold Capital A used to represent bold uppercase A in math and typography.

U+1D400

This symbol, 𝐀, is a mathematical-style bold uppercase letter A. It’s useful when you need a bold A that matches math fonts and typographic conventions. You can copy it directly or use the provided Unicode escape sequences.

Mathematical Bold Capital A Symbol Meaning

𝐀 (Unicode U+1D400) is β€œMATHEMATICAL BOLD CAPITAL A,” a styled uppercase A intended for mathematical and typographic contexts. It visually differs from regular β€œA” and from other math alphabets, because it is designed to be bold while keeping the mathematical letter shape. In practice, people use it to label variables or sets in a way that looks consistent with math notation, or to emphasize an uppercase A in design and publishing where a math-bold look is desired. It’s also commonly copied into documents, mockups, and UI text when typographic control matters.

Common uses

  • β€’Mathematical notation: naming bold uppercase variables (e.g., A as a matrix or set label)
  • β€’Academic or technical documents: emphasizing an uppercase A in equations and symbols
  • β€’Design typography: creating a consistent β€œmath bold” look for headings or labels
  • β€’UI and forms: rendering math-styled uppercase A in technical interfaces
  • β€’Content creation: using a math-bold A in slides, posters, and social graphics

Examples

𝐀 β€” Mathematical Bold Capital A

  • 𝐀Let 𝐀 be an invertible matrix.
  • 𝐀We denote the set by 𝐀 and its cardinality by |𝐀|.
  • 𝐀The property holds for all 𝐀 ∈ Rⁿˣⁿ.
  • 𝐀Choose 𝐀 to satisfy the boundary conditions.
  • 𝐀In the system, 𝐀 represents the coefficient matrix.

Variations

Ready to copy

Technical codes

UnicodeU+1D400
HTML Entity𝐀
HTML Code𝐀
CSS\1D400

FAQ

What does the Mathematical Bold Capital A symbol mean?

𝐀 (Unicode U+1D400) is β€œMATHEMATICAL BOLD CAPITAL A,” a styled uppercase A intended for mathematical and typographic contexts. It visually differs from regular β€œA” and from other math alphabets, because it is designed to be bold while keeping the mathematical letter shape. In practice, people use it to label variables or sets in a way that looks consistent with math notation, or to emphasize an uppercase A in design and publishing where a math-bold look is desired. It’s also commonly copied into documents, mockups, and UI text when typographic control matters.

What is the Unicode code point for 𝐀?

𝐀 is U+1D400 (MATHEMATICAL BOLD CAPITAL A).

How do I copy 𝐀 for use in HTML?

Use the HTML entity: 𝐀.

How do I type 𝐀 in CSS or JavaScript?

CSS escape: \\1D400. JavaScript escape: \\u{1D400}.

Will 𝐀 look the same on all devices?

It may vary by font support. If the math-bol d character isn’t available, browsers may fall back to a different glyph style.