![]() This idea of the symbol representing located at in the form is also seen in other tools and protocols for example, the Unix shell command ssh tries to establish an ssh connection to the computer with the hostname using the username jdoe. ![]() Ray Tomlinson of BBN Technologies is credited for having introduced this usage in 1971. ![]() Email addresses Ī common contemporary use of is in email addresses (using the SMTP system), as in (the user jdoe located at the domain ). A cancellation request was filed in 2013, and the cancellation was ultimately confirmed by the German Federal Patent Court in 2017. In 2012, was registered as a trademark with the German Patent and Trade Mark Office. It has rarely been used in financial ledgers, and is not used in standard typography. In contemporary English usage, is a commercial symbol, meaning at and at the rate of or at the price of. In Venetian, the symbol was interpreted to mean amphora ( anfora), a unit of weight and volume based upon the capacity of the standard amphora jar since the 6th century. Currently, the word arroba means both the at-symbol and a unit of weight. The document is about commerce with Pizarro, in particular the price of an of wine in Peru. An Italian academic, Giorgio Stabile, claims to have traced the symbol to the 16th century, in a mercantile document sent by Florentine Francesco Lapi from Seville to Rome on May 4, 1536. A symbol resembling an is found in the Spanish "Taula de Ariza", a registry to denote a wheat shipment from Castile to Aragon, in 1448. It has long been used in Catalan, Spanish and Portuguese as an abbreviation of arroba, a unit of weight equivalent to 25 pounds, and derived from the Arabic expression of "the quarter" ( الربع pronounced ar-rubʿ). The evolution of the symbol as used today is not recorded. Held today in the Vatican Apostolic Library, it features the symbol in place of the capital letter alpha "Α" as an initial in the word Amen however, the reason behind it being used in this context is still unknown. The earliest yet discovered symbol in this shape is found in a Bulgarian translation of a Greek chronicle written by Constantinos Manasses in 1345. ![]() used to signify French " à" ("at") from a 1674 protocol from a Swedish court ( Arboga rådhusrätt och magistrat) The Aragonese symbol used in the 1448 "taula de Ariza" registry to denote a wheat shipment from Castile to the Kingdom of Aragon. ![]() History symbol used as the initial "a" for the "amin" (amen) formula in the Bulgarian of the Manasses Chronicle, c. It started to be used in email addresses in the 1970s, and is now routinely included on most types of computer keyboards. The absence of a single English word for the symbol has prompted some writers to use the French arobase or Spanish and Portuguese arroba, or to coin new words such as ampersat and asperand, or the (visual) onomatopoeia strudel, but none of these have achieved wide use.Īlthough not included on the keyboard of the earliest commercially successful typewriters, it was on at least one 1889 model and the very successful Underwood models from the "Underwood No. It is normally read aloud as "at" and is also commonly called the at symbol, commercial at, or address sign. 7 widgets £2 per widget = £14), now seen more widely in email addresses and social media platform handles. The at sign, is an accounting and invoice abbreviation meaning "at a rate of" (e.g. ![]()
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