Left-Right Arrow Emoji ↔
Emoji Meaning
In logics this arrow means that the expressions to the right and to the left from it are equal. The same purpose is served by this sign: ≡ .
In mathematics it's a relation, for instance, divisibility, equation, similarity, and perpendicularity.
In chemistry there is a theory of resonance where this sign is also used to signify a shift from one molecule structure to another.
The symbol “Left-Right Arrow” is included in the “Simple arrows” subblock of the “Arrows” block and was approved as part of Unicode version 1.1 in 1993. In 2015, it was also approved as an Emoji in version 1.0 and added to the “Arrow” subcategory of the “Symbols” category.
Synonyms
Left-Right Arrow, z notation relation.
| Unicode Name | Left Right Arrow |
| Unicode Number | |
| HTML Code | |
| CSS Code | |
| Plane | 0: Basic Multilingual Plane |
| Unicode Block | Arrows |
| Unicode Subblock | Simple arrows |
| Unicode Version | 1.1 (1993) |
| Emoji Version | 1.0 (2015) |
| Emoji Category | Symbols |
| Emoji Subcategory | Arrow |
| Emoji Name | Left-Right Arrow |
| Alt Code |
| Type of paired mirror bracket (bidi) | None |
| Composition Exclusion | No |
| Case change | 2194 |
| Simple case change | 2194 |
| Math | + |
| Grapheme_Base | + |
| scripts | Common |
| Pattern_Syntax | + |
| Encoding | hex | dec (bytes) | dec | binary |
|---|---|---|---|---|
| UTF-8 | E2 86 94 | 226 134 148 | 14845588 | 11100010 10000110 10010100 |
| UTF-16BE | 21 94 | 33 148 | 8596 | 00100001 10010100 |
| UTF-16LE | 94 21 | 148 33 | 37921 | 10010100 00100001 |
| UTF-32BE | 00 00 21 94 | 0 0 33 148 | 8596 | 00000000 00000000 00100001 10010100 |
| UTF-32LE | 94 21 00 00 | 148 33 0 0 | 2485190656 | 10010100 00100001 00000000 00000000 |
