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๐•–

Mathematical Double-struck Small E Symbol

๐•– (U+1D556) is the mathematical double-struck small e used in formal math notation.

U+1D556

๐•– is a Unicode character called the Mathematical Double-Struck Small E. It appears in math-heavy typography where authors want a distinct โ€œeโ€ shape. Use it for copy/paste or reference it in code using the provided escapes.

Mathematical Double-struck Small E Symbol Meaning

The character ๐•– is Unicode U+1D556, named โ€œMATHEMATICAL DOUBLE-STRUCK SMALL E.โ€ It is part of the double-struck (blackboard boldโ€“style) alphabet used to visually distinguish mathematical symbols from a regular italic or upright โ€œe.โ€ In practice, you may see it in written mathematics, notes, or typeset material where โ€œeโ€ denotes a specific variable, constant, or operator tied to a particular convention. Its primary value is typographic: ensuring your โ€œeโ€ matches a double-struck style rather than a standard lowercase letter.

Common uses

  • โ€ขTyping double-struck math variables in notes or documents
  • โ€ขDesigning math-themed graphics or UI elements that require the double-struck โ€œeโ€
  • โ€ขLabeling symbols in educational materials or worksheets
  • โ€ขWriting consistent notation in LaTeX-like drafts or math content tools
  • โ€ขUsing the symbol in code or templates where a specific Unicode character is required

Examples

๐•– โ€” Mathematical Double-Struck Small E

  • ๐•–Let ๐•– represent a specific error term.
  • ๐•–The function f(๐•–) is defined piecewise.
  • ๐•–We compare ๐•– to a threshold value.
  • ๐•–Assume ๐•– is fixed while x varies.
  • ๐•–In this section, ๐•– denotes the double-struck parameter.

Variations

Ready to copy

Technical codes

UnicodeU+1D556
HTML Entity𝕖
HTML Code𝕖
CSS\1D556

FAQ

What does the Mathematical Double-struck Small E symbol mean?

The character ๐•– is Unicode U+1D556, named โ€œMATHEMATICAL DOUBLE-STRUCK SMALL E.โ€ It is part of the double-struck (blackboard boldโ€“style) alphabet used to visually distinguish mathematical symbols from a regular italic or upright โ€œe.โ€ In practice, you may see it in written mathematics, notes, or typeset material where โ€œeโ€ denotes a specific variable, constant, or operator tied to a particular convention. Its primary value is typographic: ensuring your โ€œeโ€ matches a double-struck style rather than a standard lowercase letter.

What is the Unicode for ๐•–?

๐•– is Unicode U+1D556 (MATHEMATICAL DOUBLE-STRUCK SMALL E).

How can I copy ๐•– into HTML?

Use the provided HTML entity: 𝕖

What CSS or JavaScript escape can I use for ๐•–?

CSS escape: \\1D556. JavaScript escape: \\u{1D556}.

Is ๐•– the same as a regular lowercase e?

No. ๐•– is a distinct double-struck style character, not the standard letter โ€œeโ€.