This number system allowed math to be done more quickly and efficiently. This, in turn, led to changes in European buying patterns.

The number system that allowed math to be done more quickly and efficiently is the decimal number system. This system, also known as base-10, uses ten digits (0-9) to represent any quantity. It introduced the concept of place value, where the position of a digit determines its value in relation to the other digits. This significantly simplified mathematical calculations and made them faster and more accurate.

With the advent of the decimal number system, European merchants and traders were able to perform calculations such as addition, subtraction, multiplication, and division more easily. This increased efficiency in mathematical calculations resulted in changes in European buying patterns.

Firstly, merchants were able to calculate prices, discounts, and taxes more accurately and quickly. This allowed for smoother and faster transactions, enabling merchants to serve more customers and conduct business more efficiently.

Secondly, the decimal number system facilitated bookkeeping and accounting processes. With simplified calculations, it became easier for merchants to keep track of their financial records, inventory, and profits. This led to more organized and transparent business practices.

Additionally, the decimal number system made it easier to compare prices and evaluate different products. Buyers could accurately calculate and compare the costs of goods, making informed purchasing decisions. This increased transparency and competition in the market, driving merchants to offer better deals and prices to attract customers.

Furthermore, the decimal number system facilitated more sophisticated financial practices such as loans, interest calculations, and investments. This allowed for the development of complex financial instruments and banking systems, which further influenced European buying patterns.

Overall, the adoption of the decimal number system revolutionized mathematics and had profound impacts on European buying patterns. It enhanced efficiency, accuracy, and transparency in calculations, enabling smoother transactions and more informed purchasing decisions.