U+1D400 "𝐀" Mathematical Bold Capital A Unicode Character
Unicode Version 18.0
Source: Browser Default
U+1D400 "𝐀" Mathematical Bold Capital A is a typographic variant of the standard Latin capital letter A, specifically designed for use in mathematical and scientific notation to clearly distinguish variables, vectors, and other symbolic elements from plain text. It belongs to the "Mathematical Alphanumeric Symbols" block, which was added to Unicode to provide a comprehensive set of styled letters that allow mathematicians, physicists, and engineers to write formulas without relying on font formatting or special markup. This character ensures that the bold style is preserved across different software and platforms, making it an essential tool for clear and consistent communication in technical documents.
General Properties
Code Point
U+1D400
Name
Mathematical Bold Capital A
Decomposition Mapping
Encodings
HTML Decimal Encoding
𝐀
HTML Hex Encoding
𝐀
UTF-8 Encoding
0xF0 0x9D 0x90 0x80
UTF-16 Encoding
0xD835 0xDC00
UTF-32 Encoding
0x0001D400
C/C++/Java Escape
\ud835\udc00
Unicode Properties
Numeric Value
NaN
NFKC Casefold
NFKC Simple Casefold
Script Extensions
Common