Home›9th-century Arabic-language books›De Gradibus🌐EnglishEnglishDeutschFrançaisالعربيةEntityQ303017· pop 6· linked from 230 articlesDe GradibusAlso known as Quia Primosbook by Al-KindiWikidata factsShow 2 more factsinception0850-00-00titleرسالة في قدر منفعة صناعة الطبvia Wikidata · CC0Available in 6 languagesFrançaisالعربيةBanglaFulaMalayvia Wikidata sitelinks · CC0ConnectionsmathematicsEntityArabicEntityCategories9th-century Arabic-language booksBooks with missing coverMathematical works of the medieval Islamic worldMedical works of the medieval Islamic worldScientific works of the Abbasid Caliphate