U+1D783 "𝞃" Mathematical Sans-Serif Bold Small Tau Unicode Character

U+1D783 "𝞃" Mathematical Sans-Serif Bold Small Tau is a glyph from the Mathematical Alphanumeric Symbols block, designed specifically for use in mathematical and scientific notation to represent the Greek letter tau in a sans-serif, bold typeface. This character allows authors to clearly distinguish the tau variable from ordinary text or from other similar symbols in equations, and it is commonly employed in fields such as physics, engineering, and statistics for denoting parameters like torque, time constant, or Kendall's tau. While it shares the same semantic meaning as the standard Greek small tau (τ), its distinctive style ensures it fits seamlessly within modern mathematical typesetting systems.

General Properties

Code Point	U+1D783
Version Added	3.1
Name	Mathematical Sans-Serif Bold 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 0x83
UTF-16 Encoding	0xD835 0xDF83
UTF-32 Encoding	0x0001D783
C/C++/Java Escape	\ud835\udf83

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