The system reached Europe via Spain and was championed by figures like Fibonacci, eventually replacing the more cumbersome Roman numeral system for commerce and mathematics. 2. Regional Variations
The development of these numerals spanned centuries and crossed multiple continents: arabic numeral
Arab mathematicians like al-Khwārizmī adopted the Indian system, refining it and writing influential treatises that popularized it across the Islamic world. The system reached Europe via Spain and was