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Answer Posted / paul
ceil() give you the upper number of a fraction.
eg.
ceil(3.0)=3
ceil(3.1)=4
ceil(3.3)=4
ceil(3.5)=4
ceil(3.7)=4
floor() does ceil()'s opposite it returns the lower number
of the fraction
floor(3.0)=3
floor(3.1)=3
floor(3.3)=3
floor(3.5)=3
floor(3.7)=3
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