U+1D439 "𝐹" Mathematical Italic Capital F Unicode Character

Unicode Version 18.0

𝐹
Source: Noto Sans Math Source: Browser Default

U+1D439 "𝐹" Mathematical Italic Capital F is a typographic symbol from the Mathematical Alphanumeric Symbols block, specifically designed for use in mathematical and scientific notation to represent a variable, function, or unknown quantity in an italic style distinct from the standard Latin capital F. This character allows authors and typesetting systems to clearly differentiate a mathematical variable from ordinary prose, avoiding the need for markup or font changes in plain-text environments. It is commonly employed in equations, algebra, and calculus contexts, where the italic Capital F may denote a function, a force vector in physics, or a formal parameter in mathematical expressions.

Encodings

HTML Decimal Encoding
𝐹
HTML Hex Encoding
𝐹
UTF-8 Encoding
0xF0 0x9D 0x90 0xB9
UTF-16 Encoding
0xD835 0xDC39
UTF-32 Encoding
0x0001D439
C/C++/Java Escape
\ud835\udc39