Who were the people using the abacus up to the early 1900s in Caribbean?

Up to the early 1900s, the abacus was primarily used by merchants, traders, and educators in the Caribbean, particularly among communities engaged in commerce. It served as an essential tool for performing calculations in trade, accounting, and education, especially in areas with limited access to advanced calculating tools. Individuals from various cultural backgrounds, including European, African, and Indigenous populations, utilized the abacus in their daily economic activities and learning environments.