Mathematical Bold Fraktur Capital E 𝕰

Visual Description: The symbol is a bold, capital E rendered in a decorative Fraktur style. Thick strokes form angular edges and tight curves. It reads as a formal glyph rather than a plain letter. On a page, it contrasts with regular math symbols and draws the eye. Its look tells readers it belongs to a special class.

Meaning & Usage: It is used to mark a special object or operator in formulas and in typesetting. In math, it can label a distinguished variable or a named concept. In software, fonts like this help quick identification and decoration of key expressions. This helps designers and students discuss form and function.

Historical Background: The family of ornate mathematical symbols grew with typesetting and digital encoding. Designers created variants to separate ideas, emphasize terms, and organize complex notation. Over time, these glyphs became part of standard fonts and input libraries, used when style matters as much as meaning. In practice.

Practical Use: In calculators and equation editors, you may insert this symbol with a quick UI control for operators or comparisons. It helps label special results, distinguish constants, or mark cases. Use it sparingly, and pair it with clear formulas like A & B to show relationships. This keeps interfaces clean.

See our category page for related symbols.

Look‑alikes: E (U+45).

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