- Traditional Chinese Character(HanT):
已知數
- Simplified Chinese Character(HanS):
已知数
- Bopomofo(Mandarin Phonetic Symbols): ㄧˇ ㄓ ㄕㄨˋ (ㄧㄓㄕ)
- Bopomofo(Zhuyin Keyboard Input/IME): "u35 gj4" (u35gj4)
- 「已知数」的漢語拼音: Yi3 Zhi1 Shu4
- (ASCII) Hanyu Pinyin: "yizhishu" "Yi3Zhi1Shu4" "Yi3 Zhi1 Shu4" (YZS)
- (Latin) Hànyǔ Pīnyīn: YǐZhīShù [ Yǐ Zhī Shù ]
- (英文翻譯) English Translation: "Known numbers"
- (西語翻譯) Traducción Español: "Números conocidos"
- (日文翻譯) 日本語翻訳: "既知の番号"