- Traditional Chinese Character(HanT):
四元數
- Simplified Chinese Character(HanS):
四元数
- Bopomofo(Mandarin Phonetic Symbols): ㄙˋ ㄩㄢˊ ㄕㄨˋ (ㄙㄩㄕ)
- Bopomofo(Zhuyin Keyboard Input/IME): n4m06gj4
- (ASCII) Hanyu Pinyin: "siyuanshu" "Si4Yuan2Shu4" "Si4 Yuan2 Shu4" (SYS)
- (Latin) Hànyǔ Pīnyīn: SìYuánShù [ Sì Yuán Shù ]
- (英文翻譯) English Translation: "Quaternion"
- (西語翻譯) Traducción Español: "Cuaternio"
- (日文翻譯) 日本語翻訳: "クォータニオン"