# Decimal system

The **decimal** numeral **system** (called base ten ordinary) has ten as its base. This numerical base is most used by modern civilizations. **Decimal** notation is system of writing numbers in a base-10 numeral system. Through the history few system was developed. Examples are, Roman numerals, Brahmi numerals and Chinese numerals as well as the Hindu-Arabic numerals used by speakers of many European languages.

When people who useĀ Hindu-Arabic numerals speak of **decimal notation**, they often mean not just decimal numeration they also mean **decimal fractions** all conveyed as a part of a positional system. Positional **decimal** system uses symbols (digits) include zero for the ten values (0, 1, 2, 3, 4, 5, 6, 7, 8, 9) to represent any **number**. These values are often used with a decimal separator (also called point) which indicates the start of **fractional** part.