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
Award numerals to the inch Strike/Flight numerals worn by the United States Navy and Marine Corps. U.S. military decorations and awards that may be authorized an Arabic Numeral device are as follows: With the exception of the Air Medal and Armed Forces Reserve Medal service ribbons and suspension ribbons, the United States Army is the only service branch to currently use numerals on other service ribbons. During World War II, some Naval Construction Battalions (Seabees) were issued the Asiatic-Pacific Campaign Medal with numerals instead of service stars. Award numerals An arabic numeral device or numeral device sometimes called an "award numeral", is