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请输入英文单字，中文词皆可：

0    
0
adj 1: indicating the absence of any or all units under
consideration; "a zero score" [synonym: {zero}, {0}]
n 1: a mathematical element that when added to another number
yields the same number [synonym: {zero}, {0}, {nought},
{cipher}, {cypher}]

A dictionary containing a natural history requires too
many hands, as well as too much time, ever to be hoped
for. --Locke.
0 \0\ adj.
1. indicating the absence of any or all units under
consideration; -- representing the number zero as an
Arabic numeral.

Syn: zero
[WordNet 1.5 PJC]

{zero}

0 Numeric zero, as opposed to the letter ‘O’ (the 15th
letter of the English alphabet). In their unmodified forms they look a lot
alike, and various kluges invented to make them visually distinct have
compounded the confusion. If your zero is center-dotted and letter-O is
not, or if letter-O looks almost rectangular but zero looks more like an
American football stood on end (or the reverse), you're probably looking at
a modern character display (though the dotted zero seems to have originated
as an option on IBM 3270 controllers). If your zero is slashed but
letter-O is not, you're probably looking at an old-style ASCII graphic set
descended from the default typewheel on the venerable ASR-33 Teletype
(Scandinavians, for whom Ø is a letter, curse this arrangement).
(Interestingly, the slashed zero long predates computers; Florian Cajori's
monumental A History of Mathematical Notations notes
that it was used in the twelfth and thirteenth centuries.) If letter-O has
a slash across it and the zero does not, your display is tuned for a very
old convention used at IBM and a few other early mainframe makers
(Scandinavians curse this arrangement even more,
because it means two of their letters collide). Some Burroughs/Unisys
equipment displays a zero with a reversed slash. Old
CDC computers rendered letter O as an unbroken oval and 0 as an oval broken
at upper right and lower left. And yet another convention common on early
line printers left zero unornamented but added a tail or hook to the
letter-O so that it resembled an inverted Q or cursive capital letter-O
(this was endorsed by a draft ANSI standard for how to draw ASCII
characters, but the final standard changed the distinguisher to a tick-mark
in the upper-left corner). Are we sufficiently confused yet?


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英文字典中文字典相关资料:


  • 0 - Wikipedia
    0 (zero) is a number representing an empty quantity Adding (or subtracting) 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
  • Zero - Math is Fun
    Zero is a very special number It is halfway between −1 and +1 on the Number Line: Zero is neither negative nor positive But it is an even number The idea of zero, though natural to us now, was not natural to early humans if there is nothing to count, how can we count it? Example: you can count dogs, but you can't count an empty space:
  • 0 - Simple English Wikipedia, the free encyclopedia
    Zero (0, ⁰) is a unique number [1] If there are zero things, then there is nothing at all For example, if a person has zero hats, that means they do not have any hats The Roman numeral for zero is Ↄ or ’ The symbol for the number zero is "0" It is the additive identity of common numbers [2]
  • The Number 0: What It Is and How to Use It - PrepScholar
    What Is the Number 0? Is zero a number? Zero, or 0, is a number and the numerical digit used to represent the number 0 is widely used in mathematics, and can be used as a number in its own right, or as a placeholder in equations History
  • Zero Number (0) - RapidTables. com
    Zero is a number used in mathematics to describe no quantity or null quantity When there are 2 apples on the table and we take the 2 apples, we can say that there are zero apples on the table The zero number is not positive number and not negative number The zero is also a placeholder digit in other numbers (e g: 40,103, 170) Is zero a number?
  • Zero -- from Wolfram MathWorld
    Zero is the integer denoted 0 that, when used as a counting number, means that no objects are present It is the only integer (and, in fact, the only real number) that is neither negative nor positive
  • Division by Zero - Definition, One Divided by Zero, Examples - Cuemath
    Division by zero is considered as undefined where zero is the denominator or the division and is expressed as a 0, a being a number or numerator or dividend In other words, dividing zero with any number will always give us a zero not matter with multiplication or division
  • 0 (number) - New World Encyclopedia
    0 is the integer that precedes the positive 1, and follows −1 In most (if not all) numerical systems, 0 was identified before the idea of 'negative integers' was accepted
  • Zero Definition (Illustrated Mathematics Dictionary) - Math is Fun
    Illustrated definition of Zero: The whole number between minus1 and 1, with the symbol 0 Shows that there is no amount Example: 6 minus
  • Zero: the mind-bendy math behind it, explained | Vox
    Our understanding of zero is profound when you consider this fact: We don’t often, or perhaps ever, encounter zero in nature Numbers like one, two, and three have a counterpart We can see one





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