  roman numerals, the numeric system used in ancient rome, employs combinations of letters from the latin alphabet to signify values. the numbers 1 to 10 can be expressed in roman numerals as follows: :. the roman numeral system is a cousin of etruscan numerals. use of roman numerals continued after the decline of the roman empire. from the 14th century on, roman numerals began to be replaced in most contexts by more convenient hindu-arabic numerals; however, this process was gradual, and the use of roman numerals in some minor applications continues to this day. == reading roman numerals == {| style="text-align:center;float:right" |- | |- |"" as a roman numeral |} roman numerals, as used today, are based on seven symbols:alphabetic symbols for larger numbers, such as  for 500,000, have also been used to various degrees of standardization. {| class="wikitable" |- ! symbol ! value |- |  | 1 |- |  | 5 |- |  | 10 |- |  | 50 |- |  | 100 |- |  | 500 |- |  | 1,000 |} numbers are formed by combining symbols and adding the values. so  is two ones, i.e. 2, and  is a ten and three ones, i.e. 13. there is no zero in this system, so 207, for example, is , using the symbols for two hundreds, a five and two ones. 1066 is , one thousand, fifty and ten, a five and a one. symbols are placed from left to right in order of value, starting with the largest. however, in a few specific cases, to avoid four characters being repeated in succession (such as  or ) these can be reduced using subtractive notation as follows: * the n
Latin_alphabet Numeral_systems Numerals Roman_mathematics