How Did the Crusades Affect the Spread of Arabic Numerals to Europe?

💡 The Answer

• Crusaders encountered advanced Islamic mathematics in the Levant, including the decimal system with zero.
• Scholars such as Fibonacci, who traveled to the Muslim world, helped popularize Arabic numerals in Europe.
• The need for accounting in crusader states and trade networks accelerated adoption of the new numeral system.
• By the 13th century, Arabic numerals began replacing Roman numerals in European commerce and scholarship.
• This intellectual exchange demonstrates that the Crusades were not just wars but also bridges for knowledge.