Arabic numerals in its entry in the "Oxford English Dictionary", which helps to distinguish it from "Arabic numerals" as the Eastern Arabic numerals. Alternative names are Western Arabic numerals, Western numerals, Hindu–Arabic numerals and Unicode calls them digits. The decimal Hindu–Arabic numeral system with zero was developed in India by around AD 700. The development was gradual, spanning several centuries, but the decisive step was probably provided by Brahmagupta's formulation of zero as a number in AD 628. The system was revolutionary by including zero in positional notation, thereby limiting the number of individual digits to ten. It is considered an important
Arabic chat alphabet Arabic chat alphabet The Arabic chat alphabet, also known as Arabish, Araby (, ), Arabizi (, ), Mu'arrab (), and Franco-Arabic (), is an alphabet used to communicate in Arabic over the Internet or for sending messages via cellular phones. It is a character encoding of Arabic to the Latin script and the Western Arabic numerals. It differs from more formal and academic Arabic transliteration systems, as it avoids diacritics by freely using digits and multigraphs for letters that do not exist in the basic Latin script (ASCII). The Arabic chat alphabet is used to communicate in Arabic over the