Mathematical Fraktur Capital Q 𝔔

Visual Description: A capital Q rendered in a Fraktur style. The glyph has bold, angular strokes with a distinctive sharp tail that curls slightly. The lines are thick and thin in contrast, giving a historic, calligraphic look. It sits tall on the baseline and stands apart from modern sans serif letters.

Meaning & Usage: In math texts, it marks variables or denotes a chosen set or group, depending on the author. It can stand for a generic quantity in formulas or appear as a special symbol in proofs. Readers see it as an alternative form of a familiar letter used for emphasis.

Historical Background: Fraktur is an old style of type from blackletter families used in early printed math and books. In many eras, printers used such decorative letters to add emphasis or to distinguish named variables. The Fraktur Q is a stylistic choice rather than a change in meaning, chosen for its visual impact.

Practical Use: In digital tools you can apply this glyph to highlight a variable or a special quantity in formulas. Calculators and math editors let you switch fonts for quick comparisons or to emphasize steps in a solution. The Fraktur Q remains readable while offering visual distinction in dense equations.

See our category page for related symbols.

Look‑alikes: Q (U+51).

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