U+0394 "Δ" Greek Capital Letter Delta Unicode Character

Unicode Version 17.0

Δ

U+0394 "Δ" Greek Capital Letter Delta is the uppercase form of the fourth letter in the Greek alphabet. In mathematics and science, it is widely used to represent a change or difference between two values, such as in the expression Δx for a change in x. It also appears in various other contexts, including as the symbol for the Laplace operator, the discriminant in quadratic equations, and the Dirac delta function. Additionally, the capital delta is often used in engineering to denote the angle of a slope or the delta connection in electrical circuits, making it a versatile and fundamental symbol in technical notation.

General Properties

Code Point U+0394
Version Added 1.1
Name Greek Capital Letter Delta
Block Greek and Coptic
General Category Uppercase Letter
Canonical Combining Class Not Reordered
Bidirectional Class Left To Right

Encodings

HTML Decimal Encoding Δ
HTML Hex Encoding Δ
UTF-8 Encoding 0xCE 0x94
UTF-16 Encoding 0x0394
UTF-32 Encoding 0x00000394
C/C++/Java Escape \u0394

Unicode Properties

NFC Quick Check Yes
NFD Quick Check Yes
NFKC Quick Check Yes
NFKD Quick Check Yes
Numeric Type None
Numeric Value NaN
Line Break Alphabetic
East Asian Width Ambiguous
Uppercase Yes
Simple Lowercase Code Point "δ" U+03B4 Greek Small Letter Delta
Lowercase Code Point "δ" U+03B4 Greek Small Letter Delta
Simple Case Folding "δ" U+03B4 Greek Small Letter Delta
Case Folding "δ" U+03B4 Greek Small Letter Delta
Cased Yes
Changes When Casefolded Yes
Changes When Casemapped Yes
Changes When Lowercased 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 Greek
Script Extensions Greek
Indic Syllabic Category Other
ID Start Yes
XID Start Yes
ID Continue Yes
XID Continue Yes
Alphabetic Yes
Vertical Orientation Rotated
Grapheme Base Yes
Grapheme Cluster Break Other
Word Break Alphabetic letter
Sentence Break Upper