Mathematical Sans-Serif Capital E 𝖤

Visual Description: This bold, geometric uppercase E appears in a mathematical sans-serif style. It has even stroke width and no decorative serifs. The glyph reads clearly at small sizes in equations and on screens. In math editors and calculators, you can insert it with a quick symbol button.

Meaning & Usage: Used across math and science, it is a flexible symbol. As a variable, it names a quantity in equations or marks a vector, a matrix, or a set. In probability and physics, E often stands for energy, expectation, or a distinguished element. In software, it helps label a selectable quantity in a formula.

Historical Background: Historically, math fonts adopted distinct sans-serif forms to keep capitalization readable in dense formulas. The mathematical alphanumeric symbols block broadened the available styles for uppercase letters like E, separating text from technical notation. As digital typesetting grew, editors and typesetters adopted these glyphs to improve clarity across devices.

Practical Use: On calculators and editors, you will see E included in symbol palettes, LaTeX commands, and Unicode input. In scientific notation, the letter E marks the exponent, as in 3.2E5, a familiar quick input. Use the sans-serif E to keep formulas tidy when comparing values or presenting results.

See our category page for related symbols.

Look‑alikes: E (U+45).

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