The floor
function floor(x) is defined as the function that gives the highest integer less than or equal to x. The graph of floor(x) is shown below.
The domain of floor(x) is the set of all real numbers, while the range of floor(x) is the set of all integers. ExampleEvaluate floor(x) for various values of x.floor(1.5) = 1 floor(0) = 0 floor(2) = 2 floor( 3) =  3 floor( 1.5) =  2
More References and LinksOnline Floor and Ceiling Functions Calculator.Applications, Graphs, Domain and Range of Functions
