The numbers 999 to 1005 in roman numerals
The right column shows how each roman numeral adds up to the total.
| 999 | = | CMXCIX | = | 1000 − 100 + 100 − 10 + 10 − 1 |
| 1000 | = | M | = | 1000 |
| 1001 | = | MI | = | 1000 + 1 |
| 1002 | = | MII | = | 1000 + 1 + 1 |
| 1003 | = | MIII | = | 1000 + 1 + 1 + 1 |
| 1004 | = | MIV | = | 1000 + 5 − 1 |
| 1005 | = | MV | = | 1000 + 5 |