Mathematical Fraktur Capital A 𝔄

Visual Description: It appears as a Gothic, script-like A with ornate strokes and a tall, narrow form. In print, it echoes old blackletter typography. In math typesetting, it stands out from plain Latin letters, signaling a special symbol in a formula. The shape invites a careful, decorative reading of the expression.

Meaning & Usage: It is not a standard letter for everyday algebra. It is often used to distinguish special objects, variables, or sets in a formula. It may mark a particular quantity, a named symbol, or a chosen function. In many contexts, plain letters remain the default for routine work.

Historical Background: The Fraktur style comes from a long tradition of Gothic typography. Mathematicians adopted Fraktur forms to create distinct notation and avoid confusion with standard letters. This approach kept notation legible across printers and devices, helping students recognize a special symbol when it appears beside other variables.

Practical Use: In modern work, you may see the symbol in formulas, problem sets, or software that supports font choices. On calculators, editors, or math notebooks, you can toggle font styles for quick visual comparisons. Use UI controls to switch to Fraktur, or to highlight results and steps clearly.

See our category page for related symbols.

Look‑alikes: A (U+41).

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