U+1D7BD "𝞽" Mathematical Sans-Serif Bold Italic Small Tau Unicode Character

Unicode Version 17.0

𝞽

U+1D7BD "𝞽" Mathematical Sans-Serif Bold Italic Small Tau is a typographic glyph designed for use in mathematical and scientific notation, representing the Greek letter tau in a sans-serif, bold, and italic style. It belongs to the Mathematical Alphanumeric Symbols block, which provides distinct letterforms to prevent confusion with standard text characters and to denote specific variables or constants in formal equations. This character is often employed in fields like physics, engineering, and computer science to represent torque, time constants, shear stress, or other tau-related parameters. Its unique styling ensures clarity in complex documents where multiple alphabetic variations are needed to distinguish between different mathematical concepts.

General Properties

Code Point U+1D7BD
Version Added 3.1
Name Mathematical Sans-Serif Bold Italic Small Tau
Block Mathematical Alphanumeric Symbols
General Category Lowercase Letter
Canonical Combining Class Not Reordered
Bidirectional Class Left To Right
Decomposition Type Font
Decomposition Mapping "τ" U+03C4 Greek Small Letter Tau

Encodings

HTML Decimal Encoding 𝞽
HTML Hex Encoding 𝞽
UTF-8 Encoding 0xF0 0x9D 0x9E 0xBD
UTF-16 Encoding 0xD835 0xDFBD
UTF-32 Encoding 0x0001D7BD
C/C++/Java Escape \ud835\udfbd

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 "τ" U+03C4 Greek Small Letter Tau
NFKC Simple Casefold "τ" U+03C4 Greek Small Letter Tau
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