Talen 1276 till 1282 i romerska siffror
I högerkolumnen visas hur varje romersk siffra bidrar till att man hamnar vid rätt tal.
| 1276 | = | MCCLXXVI | = | 1000 + 100 + 100 + 50 + 10 + 10 + 5 + 1 |
| 1277 | = | MCCLXXVII | = | 1000 + 100 + 100 + 50 + 10 + 10 + 5 + 1 + 1 |
| 1278 | = | MCCLXXVIII | = | 1000 + 100 + 100 + 50 + 10 + 10 + 5 + 1 + 1 + 1 |
| 1279 | = | MCCLXXIX | = | 1000 + 100 + 100 + 50 + 10 + 10 + 10 − 1 |
| 1280 | = | MCCLXXX | = | 1000 + 100 + 100 + 50 + 10 + 10 + 10 |
| 1281 | = | MCCLXXXI | = | 1000 + 100 + 100 + 50 + 10 + 10 + 10 + 1 |
| 1282 | = | MCCLXXXII | = | 1000 + 100 + 100 + 50 + 10 + 10 + 10 + 1 + 1 |