Hindu–Arabic numeral system system is based upon ten (originally nine) different glyphs. The symbols (glyphs) used to represent the system are in principle independent of the system itself. The glyphs in actual use are descended from Brahmi numerals and have split into various typographical variants since the Middle Ages. These symbol sets can be divided into three main families: Western Arabic numerals used in the Greater Maghreb and in Europe, Eastern Arabic numerals (also called "Indic numerals") used in the Middle East, and the Indian numerals used in South Asia. The Hindu-Arabic numerals were invented by mathematicians in India. Perso-Arabic mathematicians called them
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