U+1D44A "𝑊" Mathematical Italic Capital W Unicode Character

Unicode Version 17.0

𝑊

U+1D44A "𝑊" Mathematical Italic Capital W is a typographic variant of the standard Latin capital letter W, specifically designed for use in mathematical and scientific notation to represent variables, vectors, or set symbols with a distinct italic style. It belongs to the Mathematical Alphanumeric Symbols block, which was introduced to allow authors to clearly differentiate between ordinary text and mathematical expressions in digital documents, thereby avoiding ambiguity in equations and formulas. This character is intended for use in plain text environments where formatting like italics is not otherwise available, ensuring that mathematical expressions remain semantically accurate and visually consistent across different platforms and fonts.

General Properties

Code Point U+1D44A
Version Added 3.1
Name Mathematical Italic Capital W
Block Mathematical Alphanumeric Symbols
General Category Uppercase Letter
Canonical Combining Class Not Reordered
Bidirectional Class Left To Right
Decomposition Type Font
Decomposition Mapping "W" U+0057 Latin Capital Letter W

Encodings

HTML Decimal Encoding 𝑊
HTML Hex Encoding 𝑊
UTF-8 Encoding 0xF0 0x9D 0x91 0x8A
UTF-16 Encoding 0xD835 0xDC4A
UTF-32 Encoding 0x0001D44A
C/C++/Java Escape \ud835\udc4a

Unicode Properties

NFC Quick Check Yes
NFD Quick Check Yes
Numeric Type None
Numeric Value NaN
Line Break Alphabetic
Uppercase Yes
Cased Yes
Changes When NFKC Casefolded Yes
NFKC Casefold "w" U+0077 Latin Small Letter W
NFKC Simple Casefold "w" U+0077 Latin Small Letter W
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 Upper