The decimal numeration system, also known as the base-10 system, is a widely recognized numerical system that uses ten digits (0-9) to represent numbers. It is the most commonly used system in the world today, making it an essential topic in mathematics and numerous other fields. There are several synonyms that refer to the decimal numeration system, including the Hindu-Arabic numeral system, the decimal system, and the base-ten numeral system. Each terminology highlights the essence of using ten digits to represent numbers, which makes the decimal numeration system an efficient and straightforward method of counting and performing arithmetic operations.