Mathematical Sans-Serif Italic Small B 𝘣

Visual Description: The character appears as a lowercase b drawn in a mathematical sans-serif italic style. Its strokes are clean and even, with a slight slant that signals variables. It looks distinct from normal text, designed to be read quickly inside formulas, calculators, and on digital displays. It stays compact and legible at small sizes, avoiding clash with digits.

Meaning & Usage: The b typically stands for a variable, a coefficient, or a base in equations. In a formula like ax^2 + bx + c, b is the linear term. In logs, b can denote the base. In code and UI, b is often paired with a for comparisons and quick edits. The sans-serif italic helps distinguish variables from constants.

Historical Background: This letter belongs to a family of math alphanumeric symbols created to keep notation clear on screens. As typography evolved, designers produced italic and bold sans-serif variants to separate variables from regular text. The result is a modern, adaptable look that works in math editors, spreadsheets, and UI panels.

Practical Use: In teaching and computing, you will see b used across equations and data models. Calculators and formulas treat it as a standard symbol; quick UI controls might let you swap a and b, compare them, or plug b into a family of derived expressions like ax^2 + (b)x + c or log base b.

See our category page for related symbols.

Look‑alikes: b (U+62).

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