Talen 879 till 885 i romerska siffror
I högerkolumnen visas hur varje romersk siffra bidrar till att man hamnar vid rätt tal.
| 879 | = | DCCCLXXIX | = | 500 + 100 + 100 + 100 + 50 + 10 + 10 + 10 − 1 |
| 880 | = | DCCCLXXX | = | 500 + 100 + 100 + 100 + 50 + 10 + 10 + 10 |
| 881 | = | DCCCLXXXI | = | 500 + 100 + 100 + 100 + 50 + 10 + 10 + 10 + 1 |
| 882 | = | DCCCLXXXII | = | 500 + 100 + 100 + 100 + 50 + 10 + 10 + 10 + 1 + 1 |
| 883 | = | DCCCLXXXIII | = | 500 + 100 + 100 + 100 + 50 + 10 + 10 + 10 + 1 + 1 + 1 |
| 884 | = | DCCCLXXXIV | = | 500 + 100 + 100 + 100 + 50 + 10 + 10 + 10 + 5 − 1 |
| 885 | = | DCCCLXXXV | = | 500 + 100 + 100 + 100 + 50 + 10 + 10 + 10 + 5 |