🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPortuguêsTürkçeРусский中文日本語EntityQ565225· pop 26· linked from 157 articlesQin JiushaoAlso known as Daogumathematician of Southern Song dynasty, wrote Shu shu jiu zhang (1247)Available in 25 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoBahasa IndonesiaBasqueBelarusianConnectionsSong dynastyEntitymathematicsEntityCategories1200s births1261 deaths13th-century Chinese mathematicians13th-century Chinese writersChinese inventorsChinese meteorologistsNumber theoristsPoliticians from ZiyangScientists from SichuanSong dynasty government officialsSong dynasty science writersWriters from Ziyang