2010年6月24日 · In 1972, Ray Tomlinson sent the first electronic message, now known as email, using the @ symbol to indicate the location or institution of the email recipient. Tomlinson, using a Model 33 Teletype device, understood that he needed to use a symbol that would not appear in anyone’s name so that there was no confusion.

On the Internet, @ (pronounced "at" or "at sign" or "address sign") is the symbol in an E-mail address that separates the name of the user from the user's Internet address, as in this hypothetical e-mail address example: [email protected].

The at sign, @, is an accounting and invoice abbreviation meaning "at a rate of" (e.g. 7 widgets @ £2 per widget = £14), [1] now seen more widely in email addresses and social media platform handles.

at sign, symbol (@) used primarily to direct electronic communication to specified entities, most notably in email addresses and social media handles. Before the late 20th century its primary use was commercial, where it signified “at the rate of.”

The at sign (@), otherwise known as the ampersat, is a logogram. It is used in bills, emails and programming. In email, it is used to show a specific domain of an email address. In bills, it used to mean "at a rate of". For example, 7 widgets @ £ 2 equals £14. In programming, the at sign has been used in a wide range of programming languages.

2023年11月3日 · Pronounced at sign the @ symbol is used in e-mail addressing to separate the user' name from the user's domain name.

2023年4月17日 · The @ sign, pronounced "at," is the universal symbol for an email address. The @ sign separates the username from the domain name. For example, [email protected].

2022年4月11日 · What is an at sign? An at sign (@) is a symbol that is commonly used before the email domain name in email addresses. This symbol may also be used to informally substitute for the word at and is often used for a specific reason on social media. The following examples show some instances where an at sign might be used. When do you use an at sign?

At symbol, @ is an abbreviation of “at a rate of”. At sign, @, has various meanings in different contexts and nowadays mainly used in email address to separate username from the domain name in an email address.

The @ symbol or the "at sign" separates a person's online user name from his mail server address. For instance, [email protected]. Its widespread use on the Internet made it necessary to put this symbol on keyboards in other countries that …