@
ASCII Character @
At signThe at sign, @, is normally read aloud as "at"; it is also commonly called the at symbol, commercial at, or address sign. It is used as an accounting and invoice abbreviation meaning "at a rate of" (e.g. 7 widgets @ £2 per widget = £14), but it is now seen more widely in email addresses and social media platform handles. @ is used in various programming languages and other computer languages, although there is not a consistent theme to its usage.
Unicode for @
The character for at sign is mapped in Unicode as U+0040| Unicode | U+0040 | |
|---|---|---|
| Unicode Decimal | 64 | |
| Unicode Escape | \u0040 | |
| UTF-8 (hex) | 0x40 | |
| UTF-8 (binary) | 01000000 | |
| UTF-8 (binary) | ||
| 01000000 | ||
| UTF-16 | 0x0040 | |
| UTF-32 | 0x00000040 | |
HTML Entities for @
The following HTML entities can be used to represent the at sign in HTML| HTML Number | @ | |
|---|---|---|
| HTML Hex | @ | |
| HTML Entity | @ | |
Encoding
Encoding non-standard letters and characters into values that can be displayed e.g. in browsers| URL Escape Code | %40 | |
|---|---|---|
| Quoted-printable | =40 |
Source Code
| C, C++, and Java | "\u0040" | |
|---|---|---|
| CSS Code | \0040 | |
| JavaScript | "\u0040" | |
| Perl | \x{0040} | |
| Python 2 | u"\u0040" | |
| Python 3 | \u0040 | |
| Ruby | \u{0040} |