Talen 1900 till 1906 i romerska siffror
I högerkolumnen visas hur varje romersk siffra bidrar till att man hamnar vid rätt tal.
| 1900 | = | MCM | = | 1000 + 1000 − 100 |
| 1901 | = | MCMI | = | 1000 + 1000 − 100 + 1 |
| 1902 | = | MCMII | = | 1000 + 1000 − 100 + 1 + 1 |
| 1903 | = | MCMIII | = | 1000 + 1000 − 100 + 1 + 1 + 1 |
| 1904 | = | MCMIV | = | 1000 + 1000 − 100 + 5 − 1 |
| 1905 | = | MCMV | = | 1000 + 1000 − 100 + 5 |
| 1906 | = | MCMVI | = | 1000 + 1000 − 100 + 5 + 1 |