The numbers 1987 to 1993 in roman numerals
The right column shows how each roman numeral adds up to the total.
| 1987 | = | MCMLXXXVII | = | 1000 + 1000 − 100 + 50 + 10 + 10 + 10 + 5 + 1 + 1 |
| 1988 | = | MCMLXXXVIII | = | 1000 + 1000 − 100 + 50 + 10 + 10 + 10 + 5 + 1 + 1 + 1 |
| 1989 | = | MCMLXXXIX | = | 1000 + 1000 − 100 + 50 + 10 + 10 + 10 + 10 − 1 |
| 1990 | = | MCMXC | = | 1000 + 1000 − 100 + 100 − 10 |
| 1991 | = | MCMXCI | = | 1000 + 1000 − 100 + 100 − 10 + 1 |
| 1992 | = | MCMXCII | = | 1000 + 1000 − 100 + 100 − 10 + 1 + 1 |
| 1993 | = | MCMXCIII | = | 1000 + 1000 − 100 + 100 − 10 + 1 + 1 + 1 |