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# Ceiling

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**Ceiling** is a function that gives the smallest integer above a given real number . It is generally notated , or in computer programming languages, `ceil(x)`

. For example, . For , is the same as the integer part of ; but if , then is one more than the integer part. For example, , but for .

See also floor, Help:Calculation#Sgn function template and abs/trunc/floor/ceil operators