U+1D68D "𝚍" Mathematical Monospace Small D Unicode Character

U+1D68D "𝚍" Mathematical Monospace Small D is a typographic symbol used primarily in mathematical and technical contexts to represent the letter "d" in a monospace or fixed-width style, distinct from the standard Latin small "d". It belongs to the Mathematical Alphanumeric Symbols block, which was created to provide dedicated characters for clear, unambiguous notation in areas such as algebra, computer science, and formal logic. This character allows authors to differentiate variables, constants, or units from regular text, ensuring that the monospace formatting is preserved even in plain Unicode environments where font styling might otherwise be lost.

General Properties

Code Point	U+1D68D
Version Added	3.1
Name	Mathematical Monospace Small D
Block	Mathematical Alphanumeric Symbols
General Category	Lowercase Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Font
Decomposition Mapping	"d" U+0064 Latin Small Letter D

Encodings

HTML Decimal Encoding	𝚍
HTML Hex Encoding	𝚍
UTF-8 Encoding	0xF0 0x9D 0x9A 0x8D
UTF-16 Encoding	0xD835 0xDE8D
UTF-32 Encoding	0x0001D68D
C/C++/Java Escape	\ud835\ude8d

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	"d" U+0064 Latin Small Letter D
NFKC Simple Casefold	"d" U+0064 Latin Small Letter D
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