U+1D438 "𝐸" Mathematical Italic Capital E Unicode Character

U+1D438 "𝐸" Mathematical Italic Capital E is a typographic glyph belonging to the Mathematical Alphanumeric Symbols block, designed for use in mathematical and scientific notation where a slanted, italic form of the capital letter E is required. It represents the uppercase E in a distinct italic style, commonly used to denote variables, constants, or operators such as the electric field vector or energy in equations. This character helps differentiate mathematical expressions from plain text, avoiding ambiguity with the standard Latin capital E. Being part of the Unicode standard, it ensures consistent rendering across digital platforms and fonts when displaying mathematical content.

General Properties

Code Point	U+1D438
Version Added	3.1
Name	Mathematical Italic Capital E
Block	Mathematical Alphanumeric Symbols
General Category	Uppercase Letter
Canonical Combining Class	Not Reordered
Bidirectional Class	Left To Right
Decomposition Type	Font
Decomposition Mapping	"E" U+0045 Latin Capital Letter E

Encodings

HTML Decimal Encoding	𝐸
HTML Hex Encoding	𝐸
UTF-8 Encoding	0xF0 0x9D 0x90 0xB8
UTF-16 Encoding	0xD835 0xDC38
UTF-32 Encoding	0x0001D438
C/C++/Java Escape	\ud835\udc38

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	"e" U+0065 Latin Small Letter E
NFKC Simple Casefold	"e" U+0065 Latin Small Letter E
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