U+2A66 "⩦" Equals Sign with Dot Below Unicode Character

Unicode Version 17.0

U+2A66 "⩦" Equals Sign with Dot Below is a mathematical operator used primarily in formal logic and notation systems to represent a specific type of equality or equivalence, often indicating that two expressions are equal under a particular condition or with an additional qualification, such as in the context of equational reasoning or specialized algebraic structures. It visually distinguishes itself from the standard equals sign by featuring a single dot placed beneath the horizontal bars, which serves to alert readers to the modified or restricted nature of the equality relation. This character is part of the Supplemental Mathematical Operators block, designed to provide precise typographic tools for advanced mathematical and technical writing where nuanced relational symbols are required.

General Properties

Code Point U+2A66
Version Added 3.2
Name Equals Sign with Dot Below
Block Supplemental Mathematical Operators
General Category Math Symbol
Canonical Combining Class Not Reordered
Bidirectional Class Other Neutral

Encodings

HTML Decimal Encoding ⩦
HTML Hex Encoding ⩦
UTF-8 Encoding 0xE2 0xA9 0xA6
UTF-16 Encoding 0x2A66
UTF-32 Encoding 0x00002A66
C/C++/Java Escape \u2a66

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
Script Common
Script Extensions Common
Indic Syllabic Category Other
Pattern Syntax Yes
Math Yes
Vertical Orientation Rotated
Grapheme Base Yes
Grapheme Cluster Break Other
Word Break Other
Sentence Break Other