How do you do Roman Numerals? - Answers

Roman numerals....1 = I2 = II3 = III4 = IV (or IIII on old clocks, watches and sundials)5 = V6 = VI7 = VII8 = VIII9 = IX10 = X20 = XX30 = XXX40 = XL50 = L60 = LX70 = LXX80 = LXXX90 = XC100 = C500 = D1000 = M2000 = MM3000 = MMMAfter 3000 thousand are written by either placing a horizontal bar over a numeral, to indicate that the numeral should be multiplied by 1000, or by placing the numeral inside brackets, which also indicates that it should be multiplied by 1000. Examples...4000 = [IV]10000 = [X]523000 = [DXXIII]1000000 = [M]The numbers 11 - 19 and 21 - 29 etc follow the same pattern as the numbers 1 to 9 but preceeded by X or XX etc. The same applies to numbers preceeded by 100s or 1000s. Some examples...14 = XIV44 = XLIV88 = LXXXVIII151 = CLI423 = CDXXIII666 = DCLXVI1066 = MLXVI2009 = MMIX