U+1D6E5 "𝛥" Mathematical Italic Capital Delta Unicode Character

U+1D6E5 "𝛥" Mathematical Italic Capital Delta is a typographical variant of the uppercase Greek letter Delta (Δ), designed specifically for use in mathematical and scientific notation where italic styling is required to distinguish it from standard Greek text. It belongs to the Mathematical Alphanumeric Symbols block and is part of a comprehensive set of italic Greek letters intended to match the style of surrounding italic Latin variables in formulas. This character is commonly used in fields such as calculus, physics, and engineering to represent change, difference, or the Laplace operator, ensuring consistent formatting in digital documents and academic publications.

General Properties

Code Point	U+1D6E5
Version Added	3.1
Name	Mathematical Italic Capital Delta
Block	Mathematical Alphanumeric Symbols
General Category	Uppercase Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Font
Decomposition Mapping	"Δ" U+0394 Greek Capital Letter Delta

Encodings

HTML Decimal Encoding	𝛥
HTML Hex Encoding	𝛥
UTF-8 Encoding	0xF0 0x9D 0x9B 0xA5
UTF-16 Encoding	0xD835 0xDEE5
UTF-32 Encoding	0x0001D6E5
C/C++/Java Escape	\ud835\udee5

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	"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	Upper