| Deutsch | deu-000 |
| Napier | |
| Afrikaans | afr-000 | Napier |
| беларуская | bel-000 | Нэпэр |
| 國語 | cmn-001 | 內皮爾 |
| Deutsch | deu-000 | Neper |
| English | eng-000 | Napier |
| English | eng-000 | Neper |
| Esperanto | epo-000 | Nepero |
| suomi | fin-000 | Napier |
| français | fra-000 | Napier |
| français | fra-000 | Neper |
| français | fra-000 | Néper |
| magyar | hun-000 | Napier |
| magyar | hun-000 | Neper |
| italiano | ita-000 | Napier |
| 日本語 | jpn-000 | ネーピア |
| reo Māori | mri-000 | Ahuriri |
| Nederlands | nld-000 | John Neper |
| Nederlands | nld-000 | Napier |
| bokmål | nob-000 | Napier |
| polski | pol-000 | Napier |
| polski | pol-000 | Neper |
| português | por-000 | John Napier |
| português | por-000 | John Neper |
| română | ron-000 | Napier |
| русский | rus-000 | Нейпир |
| русский | rus-000 | Непер |
| svenska | swe-000 | Napier |
| Volapük | vol-000 | Napier |