U+1D7AD "𝞭" Mathematical Sans-Serif Bold Italic Small Delta Unicode Character

Unicode Version 17.0

𝞭

U+1D7AD "𝞭" Mathematical Sans-Serif Bold Italic Small Delta is a specialized glyph used primarily in mathematical typesetting to represent the Greek letter delta in a distinct stylistic variant that combines a sans-serif typeface, bold weight, and italic slant. This character belongs to the Mathematical Alphanumeric Symbols block, which provides separate encodings for letters in different styles to avoid ambiguity in scientific and technical documents. It is often employed in fields like physics, engineering, and mathematics to denote change, difference, or a variable within formulas, such as in calculus or differential equations. The sans-serif and italic styling helps differentiate it from other alphabetic or symbolic characters, ensuring clear communication in complex equations.

General Properties

Code Point U+1D7AD
Version Added 3.1
Name Mathematical Sans-Serif Bold Italic Small Delta
Block Mathematical Alphanumeric Symbols
General Category Lowercase Letter
Canonical Combining Class Not Reordered
Bidirectional Class Left To Right
Decomposition Type Font
Decomposition Mapping "δ" U+03B4 Greek Small Letter Delta

Encodings

HTML Decimal Encoding 𝞭
HTML Hex Encoding 𝞭
UTF-8 Encoding 0xF0 0x9D 0x9E 0xAD
UTF-16 Encoding 0xD835 0xDFAD
UTF-32 Encoding 0x0001D7AD
C/C++/Java Escape \ud835\udfad

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 "δ" U+03B4 Greek Small Letter Delta
NFKC Simple Casefold "δ" U+03B4 Greek Small Letter Delta
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