The Arabic Presentation Forms blocks A and B include characters that were added because they appeared in earlier standards or implementations in general, it is preferable to not use characters in these two blocks. The Arabic Supplement block includes characters needed for several African languages, as well as a number of additional characters needed to write the Khowar, Torwali and Burushaski languages, which are spoken mainly in Pakistan. In the past, Arabic was used to write languages, such as Turkish and Ingush, that today are written with another script: Turkish, for example, is written today with the Latin script. The Arabic script is a cursive writing system that is used for the Arabic language, and has been extended to write many other languages today, such as Persian and Urdu. Oxford New York: Oxford University Press, pp.

“Numbers, Greek” in Oxford Classical Dictionary, ed. The number zero appeared in papyri dated to 100 CE, and has shown up as late as the 13C in manuscripts. The acrophonic numbers appeared from at least 5C BCE down to 100 BCE. Acrophonic numerals use the initial letters of the word for the number: for example, “H”, which is the first letter of the word for '100' or 'hekaton', is the acrophonic number for '100'. The block includes: the Greek zero number (which appeared in historical astronomical texts) various symbols found in papyri to represent fractions, weights, and measures acrophonic numerals. The ancient Greeks also devised extensions to this usage these extensions appear in the Ancient Greek Numbers block. Ancient Greek numbers were often represented by using letters of the Greek alphabet.

Bengali ancient alphabet