Mathematical Double-struck Small H Symbol
๐ (U+1D559) is the Mathematical Double-Struck Small H used in math-style notation.
U+1D559
๐ is a Unicode character used to represent a double-struck, math-styled โhโ. Itโs commonly needed when writing or typesetting mathematical text and symbols. This page helps you copy it correctly across tools and encodings.
Mathematical Double-struck Small H Symbol Meaning
๐ is the Unicode character โMATHEMATICAL DOUBLE-STRUCK SMALL Hโ at code point U+1D559 (HTML: 𝕙). The double-struck style is typically used in mathematical notation to distinguish sets, spaces, or special variables from regular italic or upright letters. In many contexts it appears as a styled variant of the lowercase letter โhโ to signal a particular mathematical meaning established by the author or document. If youโre matching a specific font or equation from a paper, copying the exact character (rather than using plain โhโ) helps keep the notation consistent and readable.
Common uses
- โขWriting math notes or documentation that needs a double-struck styled โhโ
- โขCopying symbols from textbooks or papers into editors and slide decks
- โขCreating consistent notation in LaTeX-like markup or custom math renderers
- โขDesigning math-themed graphics or posters with precise typography
- โขBuilding UI labels or legends for mathematical variables in web apps
Examples
๐ โ Mathematical Double-Struck Small H
- ๐Let ๐ denote a specific function space.
- ๐We define an operator acting on ๐.
- ๐For all elements in ๐, the inequality holds.
- ๐Consider a mapping from ๐ to another set.
- ๐The parameter ๐ controls the system behavior.
Variations
Ready to copy
Technical codes
| Unicode | U+1D559 | |
| HTML Entity | 𝕙 | |
| HTML Code | 𝕙 | |
| CSS | \1D559 |
FAQ
What does the Mathematical Double-struck Small H symbol mean?
๐ is the Unicode character โMATHEMATICAL DOUBLE-STRUCK SMALL Hโ at code point U+1D559 (HTML: 𝕙). The double-struck style is typically used in mathematical notation to distinguish sets, spaces, or special variables from regular italic or upright letters. In many contexts it appears as a styled variant of the lowercase letter โhโ to signal a particular mathematical meaning established by the author or document. If youโre matching a specific font or equation from a paper, copying the exact character (rather than using plain โhโ) helps keep the notation consistent and readable.
What is the Unicode code point for ๐?
The code point for ๐ (MATHEMATICAL DOUBLE-STRUCK SMALL H) is U+1D559.
How can I copy ๐ into HTML?
You can use the HTML entity 𝕙 or paste the character directly.
What is the JavaScript escape for ๐?
In JavaScript, you can use \\u{1D559}.
Will ๐ look the same in every font?
Not always. Appearance depends on whether the font supports this Unicode character and how it renders mathematical double-struck styles.