U+1D413 "𝐓" Mathematical Bold Capital T Unicode Character

Unicode Version 17.0

𝐓

U+1D413 "𝐓" Mathematical Bold Capital T is a typographic glyph specifically designed for mathematical notation, representing the letter 'T' in a bold typeface within the Mathematical Alphanumeric Symbols block. It is distinct from the standard uppercase 'T' to allow authors and systems to clearly differentiate stylistic variants in complex equations, such as denoting a transformed variable, a matrix, or a tensor. This character was encoded in Unicode version 3.1 in 2001 as part of a comprehensive set to facilitate precise digital representation of mathematical text across platforms. Its use is common in scientific documents, textbooks, and academic papers where bold formatting conveys mathematical or physical significance rather than simple textual emphasis.

General Properties

Code Point U+1D413
Version Added 3.1
Name Mathematical Bold Capital T
Block Mathematical Alphanumeric Symbols
General Category Uppercase Letter
Canonical Combining Class Not Reordered
Bidirectional Class Left To Right
Decomposition Type Font
Decomposition Mapping "T" U+0054 Latin Capital Letter T

Encodings

HTML Decimal Encoding 𝐓
HTML Hex Encoding 𝐓
UTF-8 Encoding 0xF0 0x9D 0x90 0x93
UTF-16 Encoding 0xD835 0xDC13
UTF-32 Encoding 0x0001D413
C/C++/Java Escape \ud835\udc13

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 "t" U+0074 Latin Small Letter T
NFKC Simple Casefold "t" U+0074 Latin Small Letter T
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