| Deutsch | deu-000 |
| Herzkurve | |
| Deutsch | deu-000 | Kardioide |
| English | eng-000 | cardioid |
| Esperanto | epo-000 | kardioido |
| suomi | fin-000 | kardioidi |
| français | fra-000 | cardioïde |
| italiano | ita-000 | cardioide |
| 한국어 | kor-000 | 하트방정식 |
| polski | pol-000 | kardioida |
| русский | rus-000 | кардиоида |