Mathematical Sans-Serif Bold Small C 𝗰

Visual Description: The character is a small c. It is a bold sans-serif letter with even stroke width. The curves are round and clean, with no serifs or decorative tails. It sits on the baseline with consistent spacing. The overall look is strong yet simple, suitable for math UI and graphs.

Meaning & Usage: This c usually stands for a variable, a constant, or a coefficient in equations. It is used alongside other bold or italic letters to distinguish quantities in a formula. In calculators and software, bold sans-serif letters help readability when lists and matrices appear. It often marks a value that you compare or adjust quickly in a UI, or shown as a label on sliders and inputs.

Historical Background: The set of mathematical sans-serif bold symbols grew from a need to separate text from variables in digital displays. Designers created bold sans-serif variants to improve legibility on screens. Over time, these styles became common in educational material and software, providing a crisp, modern look that stays consistent across devices.

Practical Use: In formulas, this c acts as a variable or coefficient that you can adjust. In quick UI tools, you may highlight it by switching to bold or changing the font weight in a graph or calculator. Use it to compare values, denote a reference constant, or label results as you build expressions.

See our category page for related symbols.

Look‑alikes: c (U+63).

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