U+2247 "≇" Neither Approximately nor Actually Equal To Unicode Character

Unicode Version 17.0

U+2247 "≇" Neither Approximately nor Actually Equal To is a mathematical symbol used to explicitly denote that two values are not approximately equal and also not actually equal, combining negation with a notion of inequality that rejects both forms of equivalence. It visually resembles the symbol for "approximately equal to" (≅) with a diagonal slash through it, indicating a strong denial of even a loose or rounded correspondence. This character finds its primary use in advanced mathematics, logic, and technical fields such as engineering or computer science, where precision is required to assert that two quantities differ significantly beyond any margin of approximation. Unlike simpler inequality signs like ≠ which merely deny exact equality, ≇ adds the nuance that the relationship fails on both a precise and an approximate level, making it valuable for specifying irreconcilable differences in contexts like error analysis or theoretical bounds.

General Properties

Code Point U+2247
Version Added 1.1
Name Neither Approximately nor Actually Equal To
Block Mathematical Operators
General Category Math Symbol
Canonical Combining Class Not Reordered
Bidirectional Class Other Neutral
Mirrored Yes
Decomposition Type Canonical
Decomposition Mapping "≅" U+2245 Approximately Equal To
"̸" U+0338 Combining Long Solidus Overlay

Encodings

HTML Decimal Encoding ≇
HTML Hex Encoding ≇
UTF-8 Encoding 0xE2 0x89 0x87
UTF-16 Encoding 0x2247
UTF-32 Encoding 0x00002247
C/C++/Java Escape \u2247

Unicode Properties

NFC Quick Check Yes
NFKC 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