How did people in other regions begin using Arabic numerals?

Arabic numerals were used as part of the Islamic faith.
Arabic numerals made it easier to measure goods.
Arabic numerals made it easier to convert money for trade.
Arabic numerals were shared by Muslim merchants.

Arabic numerals were primarily used and promoted by Muslim merchants during trade and commerce activities. As Muslim traders traveled to different regions for business purposes, they also introduced and taught the use of Arabic numerals to local people. The simplicity and efficiency of Arabic numerals, as they were based on a decimal system, made it easier for people to perform calculations, measure goods, and convert currencies. Over time, the use of Arabic numerals spread to other regions and became more widely adopted, eventually replacing previous numeral systems in many parts of the world.