EntityQ335292· pop 23· linked from 115 articlesIbn SahlSign in to savemathematician (0940-1000)ConnectionslensEntityIbn al-HaythamEntityrayEntityAbu Sahl al-QuhiEntityPersianEntityBaghdadCityAvicennaEntityInternational Standard Book NumberEntityOmar KhayyámEntityMuḥammad ibn Musa al-KhwarizmiEntityPtolemyEntityAl-BiruniEntitydigital object identifierEntityPersiansEntityrefractionEntitytrigonometric functionEntityIslamic Golden AgeEntitymadrasaEntityAl-Azhar UniversityEntityAl-KindiEntityCategories1000 deaths10th-century Iranian mathematicians10th-century Iranian scientistsHistory of opticsMathematicians under the Buyid dynastyMedieval physicists