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0 (zero) is a number representing an empty quantity. Adding 0 to any number leaves that number unchanged. In mathematical terminology, 0 is the additive identity of the integers, rational numbers, real numbers, and complex numbers, as well as other algebraic structures.
History of ancient numeral systems – Symbols representing numbers History of the Hindu–Arabic numeral system List of numeral system topics Numeral prefix – Prefix derived from numerals or other numbers Radix – Number of digits of a numeral system Radix economy – Number of digits needed to express a number in a particular base Pages ...
Names for the number 0 in English. "Zero" is the usual name for the number 0 in English. In British English "nought" is also used and in American English "naught" is used occasionally for zero, but (as with British English) "naught" is more often used as an archaic word for nothing. "Nil", "love", and "duck" are used by different sports for ...
When zero is a possibility, the following terms are often used: Non-negative numbers: Real numbers that are greater than or equal to zero. Thus a non-negative number is either zero or positive. Non-positive numbers: Real numbers that are less than or equal to zero. Thus a non-positive number is either zero or negative.
Zero, which is not needed in the other systems, is of crucial importance here, in order to be able to "skip" a power. The Hindu–Arabic numeral system, which originated in India and is now used throughout the world, is a positional base 10 system.
A list of articles about numbers (not about numerals). Topics include powers of ten, notable integers, prime and cardinal numbers, and the myriad system.
The natural numbers form a set, commonly symbolized as a bold N or blackboard bold . Many other number sets are built from the natural numbers. For example, the integers are made by adding 0 and negative numbers. The rational numbers add fractions, and the real numbers add infinite decimals.
Look up 零 in Wiktionary, the free dictionary. The character 零 (pinyin: líng) means "zero" in Chinese, although 〇 is also common. Etymologically 零 is an onomatopoeic word for "light rain". The upper part of the character is 雨, meaning "rain", and the lower part is 令 (lìng), for the sound. [1] Whether or not the first letter of ...