Mathematical Fraktur Small R 𝔯

Visual Description: The glyph is a slender lowercase r drawn in a fraktur style. Its strokes twist with sharp angles and a small, decorative tail. It resembles a traditional blackletter form rather than a serif letter, giving a bold, script-like impression. In math text, it stands out from ordinary letters.

Meaning & Usage: This symbol marks a variable or a designated object in formulas. It helps distinguish special elements from plain text when formulas are crowded. In typesetting, fraktur r may denote a particular object, a family, or a role within a calculation, keeping notation readable on page and screen.

Historical Background: In typography, fraktur is part of a long tradition of decorative letterforms used in early print. Digital math fonts adopted these shapes to add distinction in dense equations. This style spreads across regions as a stylistic choice that signals emphasis or a shift in meaning, without tying to one era.

Practical Use: On calculators and in formula editors, you may see the fraktur r used to mark a special object or parameter. Quick UI controls can switch font style or apply a decorative tag during a calculation. It also helps comparisons by visually separating related terms in a line.

See our category page for related symbols.

Look‑alikes: r (U+72).

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