The
following table gives the values of the various numerals. When a bar
appears above a numeral, its value is increased a thousand fold. |

Numeral |
Value |
With
Bar |

I |
One | (Invalid) |

V |
Five | Five thousand |

X |
Ten | Ten thousand |

L |
Fifty | Fifty thousand |

C |
One hundred | One hundred thousand |

D |
Five hundred | Five hundred thousand |

M |
One thousand | One million |

Use the following guidelines to construct and evaluate quantites expressed in Roman Numerals:

- The smaller numeral must be a power of ten.

- The smaller numeral must be either one-fifth or one-tenth the value of the larger one.

- The smaller numeral must either be first, or be preceded by a numeral of at least ten times its value.

- If another numeral follows the larger numeral, it must be smaller than the one that precedes the larger numeral.