Ya'ish ibn Ibrahim al-Umawi

Ya'ish ibn Ibrahim al-Umawi
Rayuwa
Cikakken suna	يعيش بن إبراهيم بن يوسف بن سماكالأموي الأندلسي
Haihuwa	al-Andalus (en) , 1400
Mutuwa	Damascus, 1489
Sana'a
Sana'a	masanin lissafi

Abū ʿAbdallāh Yaʿīsh ibn Ibrāhīm ibn Yūsuf ibn Simāk Al-Andalus al-Umawī (Arabic) (1400? a Al-Andalus - 1489 a Damascus, Mamluk Sultanate) masanin lissafi ne na Mutanen Espanya-Arabiya na ƙarni na 15.[1]

Ayyuka

• Marasim al-intisab fi'ilm al-hisab ("A kan ka'idojin lissafi da hanyoyin"), kwanan wata na farko da aka rubuta a 1373 sabili da haka ranar haihuwar da ke sama tana da rikici.
• Raf'al-ishkal fi ma'rifat al-ashkal (aiki kan auna).

Bayanan littattafai

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• Ahmad Salim Saidan (ed.), Yaish ibn Ibrahim al-Umawi, A kan ka'idojin lissafi da hanyoyin (Aleppo, 1981).

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