[notinpersia]

He wrote his treatise on Algebra in Arabic because he was educated in Arabic and the language of science was Arabic in that area and at that time. AlNassirya in Baghdad was the most advanced educational institution in the world at the time. I don’t know if he was a student or teacher there but it also has an Arabic name and was built by an Islamic caliph. The same with mathematicians from India traveling all the way to Baghdad to tell the caliph about their invention of zero. Persians has many amazing contributions to science and math but Persia itself has none. Like the Romans, they were war mongers and Their culture was toxic to science.