Mathematical Bold Script Capital R 𝓡
Visual Description: The symbol is a bold script capital R. It has a flowing, rounded form with thick strokes and a small flourish at the tail. In print and on screens, it looks elegant and legible, designed to stand out from plain letters in math and science notation.
Meaning & Usage: The bold script R marks special quantities in formulas. It stands out from regular italic letters and from plain numerals. In rules and proofs, such letters hint at objects like spaces, sets, or matrix labels. Many math apps and calculators render these glyphs when a Unicode font is available.
Historical Background: These symbols come from the wider family of mathematical alphanumeric symbols. They extend ordinary Latin letters into math notation without changing their basic shapes. The goal is to give a distinct style for special roles in formulas, diagrams, and proofs. Digital typesetting and Unicode support widened their use in software.
Practical Use: In classrooms and software, bold script letters help organize ideas. A bold R might denote a matrix, a space, or a constant value in a model. Users rely on quick UI controls, such as buttons to switch fonts, or sliders to compare results, while entering formulas on calculators.
See our category page for related symbols.
Look‑alikes: R (U+52).
Need styled alternatives? Try the Fancy Text tool.
Confusables
Technical details
- Codepoint:
U+1D4E1 - General Category:
Lu - Age:
3.1 - Bidi Class:
L - Decomposition:
<font> 0052 - Block:
Mathematical Alphanumeric Symbols - Script:
Common - UTF-8:
F0 9D 93 A1 - UTF-16:
D835 DCE1 - UTF-32:
0001D4E1 - HTML dec:
𝓡 - HTML hex:
𝓡 - JS escape:
\u{1D4E1} - Python \N{}:
\N{MATHEMATICAL BOLD SCRIPT CAPITAL R} - Python \U:
\U0001D4E1 - URL-encoded:
%F0%9D%93%A1 - CSS escape:
\1D4E1
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+1D4E1 or a built‑in character picker.
HTML: use the numeric entity 퓡 (hex) or 퓡 (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.