Mathematical Sans-Serif Italic Capital X 𝘟
Visual Description: The symbol X appears as a tall, narrow letter with precise stroke and geometric balance. In mathematical fonts, the sans-serif italic X has a clean, modern look, with symmetrical arms that taper slightly. It stands apart from Roman X by its angle and weight, making it easy to spot on screens and print.
Meaning & Usage: In math notation, this X signals a variable or a generic quantity, not a specific constant. The sans-serif italic form emphasizes that the symbol represents an idea rather than a label. It is common in equations, functions, and in UI layouts that show steps or results from a calculator.
Historical Background: The X character has long been used to denote unknowns and cross products in many math traditions. In modern typography, designers separated serif and sans-serif families to improve legibility on screens. Italic variants signal variables, while upright forms mark constants. The sans-serif italic X embodies efficiency and clarity in fast notation.
Practical Use: In tools, this X appears in formulas and equations entered into calculators, science apps, and teaching software. Designers use it for quick UI controls that compare values, compute variables, or display results with operator buttons like +, −, ×, ÷, and =. The symbol helps keep interfaces tidy and predictable for learners.
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+1D61F - General Category:
Lu - Age:
3.1 - Bidi Class:
L - Decomposition:
<font> 0058 - Block:
Mathematical Alphanumeric Symbols - Script:
Common - UTF-8:
F0 9D 98 9F - UTF-16:
D835 DE1F - UTF-32:
0001D61F - HTML dec:
𝘟 - HTML hex:
𝘟 - JS escape:
\u{1D61F} - Python \N{}:
\N{MATHEMATICAL SANS-SERIF ITALIC CAPITAL X} - Python \U:
\U0001D61F - URL-encoded:
%F0%9D%98%9F - CSS escape:
\1D61F
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+1D61F or a built‑in character picker.
HTML: use the numeric entity 혟 (hex) or 혟 (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.