Mathematical Bold Script Capital T 𝓣

Visual Description: The letter is bold with rounded, script-like strokes. It sits tall and slightly slanted, giving a decorative yet clear presence. The thick lines read well on whiteboards and screens. It contrasts with regular letters, making it easy to spot in formulas, calculators, and quick UI controls for operations.

Meaning & Usage: It marks emphasis and a special class of symbols in math. Use it to denote variables of a certain type, transformation results, or structured sets. In formulas and on calculators, it helps readers distinguish cases, conditions, and comparisons at a glance. This clarity supports quick checks.

Historical Background: In typography and math notation, bold script variants arose to separate kinds of symbols without adding new letters. They were adopted gradually in printed textbooks and later in digital fonts. The goal was legibility, distinction, and a familiar anchor for readers when scanning dense equations.

Practical Use: In practice, this style helps separate variable kinds in a single line of math. Editors, calculators, and apps offer font toggles that switch to bold script for emphasis or comparison. Use it in dashboards, worksheets, and quick tools to mark results, tests, or corner cases.

See our category page for related symbols.

Look‑alikes: T (U+54).

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