U+1D487 "𝒇" Mathematical Bold Italic Small F Unicode Character

U+1D487 "𝒇" Mathematical Bold Italic Small F is a specialized typographic symbol that belongs to the Mathematical Alphanumeric Symbols block, designed for use in scientific and mathematical notation where a bold italic lowercase letter f is needed to represent a variable or function. It combines the bold weight and italic slant of traditional mathematical typesetting to distinguish it from ordinary text, and it is encoded separately from the basic Latin letter f to allow for precise formatting in plain text environments. This character is commonly used in advanced mathematics, physics, and engineering disciplines to denote functions, vectors, or specific variables in equations and formulas.

General Properties

Code Point	U+1D487
Version Added	3.1
Name	Mathematical Bold Italic 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 0x92 0x87
UTF-16 Encoding	0xD835 0xDC87
UTF-32 Encoding	0x0001D487
C/C++/Java Escape	\ud835\udc87

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