In 10th century Islamic mathematics, the system was extended to include fractions, as recorded in a treatise by Syrian mathematician Abu'l-Hasan al-Uqlidisi in 952–953.
I 10. århundrede Islamisk matematik, blev systemet udvidet til også at omfatte fraktioner, som er registreret i en afhandling af Syriske matematiker Abu ' l-Hasan al-Uqlidisi i 952-953.