Composed the Brāhmasphuṭasiddhānta at Bhillamāla
· Bhinmal, Rajasthan, India
Wikimedia Commons · Public domain · file At Bhillamāla, Brahmagupta wrote the Brāhmasphuṭasiddhānta, his major mathematical and astronomical treatise. The work includes his influential treatment of zero and negative numbers. The cited biography identifies the work as written in 628 and identifies ancient Bhillamāla with modern Bhinmal.
