Talen 1880 till 1886 i romerska siffror
I högerkolumnen visas hur varje romersk siffra bidrar till att man hamnar vid rätt tal.
| 1880 | = | MDCCCLXXX | = | 1000 + 500 + 100 + 100 + 100 + 50 + 10 + 10 + 10 |
| 1881 | = | MDCCCLXXXI | = | 1000 + 500 + 100 + 100 + 100 + 50 + 10 + 10 + 10 + 1 |
| 1882 | = | MDCCCLXXXII | = | 1000 + 500 + 100 + 100 + 100 + 50 + 10 + 10 + 10 + 1 + 1 |
| 1883 | = | MDCCCLXXXIII | = | 1000 + 500 + 100 + 100 + 100 + 50 + 10 + 10 + 10 + 1 + 1 + 1 |
| 1884 | = | MDCCCLXXXIV | = | 1000 + 500 + 100 + 100 + 100 + 50 + 10 + 10 + 10 + 5 − 1 |
| 1885 | = | MDCCCLXXXV | = | 1000 + 500 + 100 + 100 + 100 + 50 + 10 + 10 + 10 + 5 |
| 1886 | = | MDCCCLXXXVI | = | 1000 + 500 + 100 + 100 + 100 + 50 + 10 + 10 + 10 + 5 + 1 |