It is one of the ways the typographical symbol (called aroba, arova or arroba) @ call. It is an essential computer symbol for e-mail addresses, because it is the link between your server and the user name. In Spanish, the correct term is arroba, a word of Arabic origin meaning a fourth or quarter. It is also the name of a measure of weight that is not of the metric system. Equivalent to 25 pounds. A quintal has 4 arrobas and therefore the arroba is the fourth of a quintal. The arroba was used as a measure of volume, weight and mass.
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