Arabic numerals milestone in the development of mathematics. One may distinguish between this positional "system", which is identical throughout the family, and the precise glyphs used to write the numerals, which varied regionally. The first universally accepted inscription containing the use of the 0 glyph in India is first recorded in the 9th century, in an inscription at Gwalior in Central India dated to 870. Numerous Indian documents on copper plates exist, with the same symbol for zero in them, dated back as far as the 6th century AD, but their dates are uncertain. Inscriptions in Indonesia and Cambodia dating to AD
Strike/Flight numerals gold stars were used for the second through the fifth awards, seventh through tenth awards, and so on. Silver stars were used in lieu of five gold stars, and denote the sixth and eleventh (and so on) awards. Strike/Flight numerals A Strike/Flight Numeral is a Department of the Navy device that may be awarded for wear on the Air Medal to individuals serving in any capacity in the United States Armed Forces. A Strike/Flight Award is awarded to individuals for meritorious achievement while participating in sustained aerial flight operations, under flight orders. Strike/Flight Numerals are bronze Arabic numerals 5/16 inch