U+1D4B7 "𝒷" Mathematical Script Small B Unicode Character

Unicode Version 17.0

𝒷

U+1D4B7 "𝒷" Mathematical Script Small B is a specialized typographical symbol belonging to the Mathematical Alphanumeric Symbols block, designed for use in mathematical and scientific notation where a distinct, cursive style is needed to differentiate variables or constants from standard Latin text. This character represents a stylistic variant of the lowercase letter 'b' and is often employed in fields such as physics, engineering, and advanced mathematics to denote specific quantities or functions, ensuring clarity and precision in complex equations. Its inclusion in the Unicode standard allows digital documents and software to render this formal script letter consistently across different platforms and fonts, supporting the rigorous visual language of academic and technical writing.

General Properties

Code Point U+1D4B7
Version Added 3.1
Name Mathematical Script Small B
Block Mathematical Alphanumeric Symbols
General Category Lowercase Letter
Canonical Combining Class Not Reordered
Bidirectional Class Left To Right
Decomposition Type Font
Decomposition Mapping "b" U+0062 Latin Small Letter B

Encodings

HTML Decimal Encoding 𝒷
HTML Hex Encoding 𝒷
UTF-8 Encoding 0xF0 0x9D 0x92 0xB7
UTF-16 Encoding 0xD835 0xDCB7
UTF-32 Encoding 0x0001D4B7
C/C++/Java Escape \ud835\udcb7

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 "b" U+0062 Latin Small Letter B
NFKC Simple Casefold "b" U+0062 Latin Small Letter B
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