U+1D4EF "𝓯" Mathematical Bold Script Small F Unicode Character

U+1D4EF "𝓯" Mathematical Bold Script Small F is a typographic glyph designed for use in mathematical and scientific notation, representing the lowercase letter "f" in a bold script style that distinguishes it from standard italic or plain text. It belongs to the Mathematical Alphanumeric Symbols block, which was introduced to provide clear, unambiguous symbols for variables and functions in formal documents, avoiding confusion that can arise when ordinary letters are used in complex equations. This character is typically rendered with a flowing, cursive appearance and enhanced stroke thickness, making it suitable for denoting specific functions or values in contexts such as calculus, physics, or formal logic.

General Properties

Code Point	U+1D4EF
Version Added	3.1
Name	Mathematical Bold Script Small F
Block	Mathematical Alphanumeric Symbols
General Category	Lowercase Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Font
Decomposition Mapping	"f" U+0066 Latin Small Letter F

Encodings

HTML Decimal Encoding	𝓯
HTML Hex Encoding	𝓯
UTF-8 Encoding	0xF0 0x9D 0x93 0xAF
UTF-16 Encoding	0xD835 0xDCEF
UTF-32 Encoding	0x0001D4EF
C/C++/Java Escape	\ud835\udcef

Unicode Properties

NFC Quick Check	Yes
NFD Quick Check	Yes
Numeric Type	None
Numeric Value	NaN
Line Break	Alphabetic
Lowercase	Yes
Cased	Yes
Changes When NFKC Casefolded	Yes
NFKC Casefold	"f" U+0066 Latin Small Letter F
NFKC Simple Casefold	"f" U+0066 Latin Small Letter F
Script	Common
Script Extensions	Common
Indic Syllabic Category	Other
ID Start	Yes
XID Start	Yes
ID Continue	Yes
XID Continue	Yes
Alphabetic	Yes
Math	Yes
Other Math	Yes
Vertical Orientation	Rotated
Grapheme Base	Yes
Grapheme Cluster Break	Other
Word Break	Alphabetic letter
Sentence Break	Lower