0x211D
0x211D refers to the Unicode code point U+211D, which corresponds to the character ℝ. Its official Unicode name is BLACK-LETTER CAPITAL R, and it is part of the Letterlike Symbols block used for mathematical notation. In many fonts the glyph appears in a blackletter or double-struck style and is commonly associated with the set of real numbers.
In mathematics, ℝ is used to denote the real numbers and related concepts. It appears in expressions
Rendering and font considerations are important for ℝ. While the symbol is supported in most modern fonts,
Encoding and representation: U+211D is the canonical code point. In document or web contexts, it can be
See also: related mathematical symbols for number sets, including ℕ (U+2115), ℤ (U+2124), ℚ (U+211A), and ℂ (U+2102).