Lô-má sò͘-jī
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1582 nî ê bûn-kó.
Lô-má sò͘-jī sī chi̍t-chióng sò͘-jī, ki-pún piáu-sī gôan-chek sī:
- Tiōng-ho̍k kúi kái tio̍h piáu-sī kúi pōe, pí-lūn "MM" sī "M" ê nn̄g pōe.
- Chiàⁿ-pêng ke, tò-pêng kiám, pí-lūn "IV" piáu-sī "5 - 1", "VI" piáu-sī "5 + 1". M̄-koh ū chi̍t-kóa chè-hān.
- Ka sòaⁿ piáu-sī chheng pōe, pí-lūn M (1000) tio̍h piáu-sī 1,000,000.
Hû-hō[siu-kái | kái goân-sú-bé]
| Hû-hō | Sò͘-ta̍t |
|---|---|
| I | 1 (it) (unus) |
| V | 5 (gō) (quinque) |
| X | 10 (cha̍p) (decem) |
| L | 50 (gō-cha̍p) (quinquaginta) |
| C | 100 (chi̍t-pah) (centum) |
| D | 500 (gō-pah) (quingenti) |
| M | 1000 (chi̍t-chheng) (mille) |
| ↁ / IƆƆ | 5000 (gō-chheng) |
| ↂ / CCIƆƆ | 10000 (chi̍t-bān) |