decimal
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AI overview
A decimal is a system for writing numbers that uses 10 as its base, with each position representing a power of 10 (like ones, tens, hundreds, and so on). It's the number system most people use in everyday life for counting, money, and measurements because it's straightforward and practical to work with.
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Article
14 sectionsContents
- Origin
- Decimal notation
- Decimal fractions
- Approximation using decimal numbers
- Infinite decimal expansion
- Rational numbers
- Decimal computation
- History
- History of decimal fractions
- Natural languages
- Other bases
- See also
- Notes
- References
thumb|upright=1.2|Place value of number in decimal system
The decimal numeral system (also called the base-ten positional numeral system and denary or decanary) is the global standard system for denoting integer and non-integer numbers. It is the extension to non-integer numbers (decimal fractions) of the Hindu–Arabic numeral system. The way of denoting numbers in the decimal system is often referred to as decimal notation.