Mathematical Bold Capital Y 𝐘
Visual Description: The symbol is a bold capital Y. It has thick strokes and sharp angles. The lines are clean and even in weight. It reads clearly at small sizes. It looks strong on calculators and labels. It stands out with simple geometry and a solid presence & precision.
Meaning & Usage: This form marks a variable or vector in math. In formulas, bold letters help separate quantity types. A bold Y can label a dependent variable, a component, or a result. In UI, it signals emphasis and quick recognition. It pairs with operations or comparisons.
Historical Background: The idea of bold math symbols grew as notation needed visual distinction. Writers and readers use bold letters to separate vectors, matrices, and scalars. The approach aims to reduce clutter and speed interpretation. The concept spreads across math, science, and educational tools in general terms.
Practical Use: In calculators and graphing tools, bold Y appears on labels and input fields. It helps users enter or compare values quickly. Use it to mark a dependent variable on a graph, a vector component, or a related quantity. Keep the symbol visible and unobtrusive for fast work.
See our category page for related symbols.
Look‑alikes: Y (U+59).
Need styled alternatives? Try the Fancy Text tool.
Confusables
Technical details
- Codepoint:
U+1D418 - General Category:
Lu - Age:
3.1 - Bidi Class:
L - Decomposition:
<font> 0059 - Block:
Mathematical Alphanumeric Symbols - Script:
Common - UTF-8:
F0 9D 90 98 - UTF-16:
D835 DC18 - UTF-32:
0001D418 - HTML dec:
𝐘 - HTML hex:
𝐘 - JS escape:
\u{1D418} - Python \N{}:
\N{MATHEMATICAL BOLD CAPITAL Y} - Python \U:
\U0001D418 - URL-encoded:
%F0%9D%90%98 - CSS escape:
\1D418
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+1D418 or a built‑in character picker.
HTML: use the numeric entity 퐘 (hex) or 퐘 (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.