Mathematical Double-struck Small H Symbol
π (U+1D559) is the Mathematical Double-Struck Small H used in math-style notation.
U+1D559
π is a Unicode character used to represent a double-struck, math-styled βhβ. Itβs 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
π is the Unicode character βMATHEMATICAL DOUBLE-STRUCK SMALL Hβ 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 βhβ to signal a particular mathematical meaning established by the author or document. If youβre matching a specific font or equation from a paper, copying the exact character (rather than using plain βhβ) helps keep the notation consistent and readable.
Common uses
- β’Writing math notes or documentation that needs a double-struck styled βhβ
- β’Copying symbols from textbooks or papers into editors and slide decks
- β’Creating consistent notation in LaTeX-like markup or custom math renderers
- β’Designing math-themed graphics or posters with precise typography
- β’Building UI labels or legends for mathematical variables in web apps
Examples
π β Mathematical Double-Struck Small H
- πLet π denote a specific function space.
- πWe define an operator acting on π.
- πFor all elements in π, the inequality holds.
- πConsider a mapping from π to another set.
- πThe parameter π 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?
π is the Unicode character βMATHEMATICAL DOUBLE-STRUCK SMALL Hβ 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 βhβ to signal a particular mathematical meaning established by the author or document. If youβre matching a specific font or equation from a paper, copying the exact character (rather than using plain βhβ) helps keep the notation consistent and readable.
What is the Unicode code point for π?
The code point for π (MATHEMATICAL DOUBLE-STRUCK SMALL H) is U+1D559.
How can I copy π into HTML?
You can use the HTML entity 𝕙 or paste the character directly.
What is the JavaScript escape for π?
In JavaScript, you can use \\u{1D559}.
Will π 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.