Talen 1971 till 1977 i romerska siffror
I högerkolumnen visas hur varje romersk siffra bidrar till att man hamnar vid rätt tal.
| 1971 | = | MCMLXXI | = | 1000 + 1000 − 100 + 50 + 10 + 10 + 1 |
| 1972 | = | MCMLXXII | = | 1000 + 1000 − 100 + 50 + 10 + 10 + 1 + 1 |
| 1973 | = | MCMLXXIII | = | 1000 + 1000 − 100 + 50 + 10 + 10 + 1 + 1 + 1 |
| 1974 | = | MCMLXXIV | = | 1000 + 1000 − 100 + 50 + 10 + 10 + 5 − 1 |
| 1975 | = | MCMLXXV | = | 1000 + 1000 − 100 + 50 + 10 + 10 + 5 |
| 1976 | = | MCMLXXVI | = | 1000 + 1000 − 100 + 50 + 10 + 10 + 5 + 1 |
| 1977 | = | MCMLXXVII | = | 1000 + 1000 − 100 + 50 + 10 + 10 + 5 + 1 + 1 |