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.