Mathematical Sans-Serif Capital X 𝖷
Visual Description: The symbol is a clean, squared X with straight strokes and no ornaments. It belongs to a sans serif style that reads clearly on screens and in print. The glyph looks geometric and crisp, suitable for variables, vectors, and labeled coordinates in formulas. It remains distinct from curved fonts and is easy to scan in multi column layouts.
Meaning & Usage: In math text, X is a common variable representing an unknown or a placeholder. The sans-serif style emphasizes clarity in equations, data tables, and graphics. It is chosen for legibility when many X symbols appear, and it pairs with other letters for contrast.
Historical Background: The character belongs to a set of mathematical alphabets designed to distinguish text style from standard numerals. It arose from needs for clean, machine friendly symbols used in both printed books and digital tools. The design focuses on consistency across fonts and display sizes.
Practical Use: In calculators and formula editors, X acts as a flexible variable for solving equations or assessing expressions. Quick UI controls let you switch between modes, substitute values, and compare results with other symbols. It helps learners see where a single letter stands in a larger system.
See our category page for related symbols.
Look‑alikes: X (U+58).
Need styled alternatives? Try the Fancy Text tool.
Confusables
Technical details
- Codepoint:
U+1D5B7 - General Category:
Lu - Age:
3.1 - Bidi Class:
L - Decomposition:
<font> 0058 - Block:
Mathematical Alphanumeric Symbols - Script:
Common - UTF-8:
F0 9D 96 B7 - UTF-16:
D835 DDB7 - UTF-32:
0001D5B7 - HTML dec:
𝖷 - HTML hex:
𝖷 - JS escape:
\u{1D5B7} - Python \N{}:
\N{MATHEMATICAL SANS-SERIF CAPITAL X} - Python \U:
\U0001D5B7 - URL-encoded:
%F0%9D%96%B7 - CSS escape:
\1D5B7
How to type / insert
Fast copy: click the Copy button near the top of this page.
By codepoint: in many editors and IDEs, you can insert via the Unicode code U+1D5B7 or a built‑in character picker.
HTML: use the numeric entity 햷 (hex) or 햷 (decimal) when an HTML entity is needed.
Compatibility & troubleshooting
Font support: if the symbol does not render, the current font likely lacks this codepoint. Choose a font with broad Unicode coverage or allow a fallback font.
Web pages: ensure your CSS font stack includes a general fallback; avoid relying on images for common symbols to preserve accessibility and copyability.