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Ceiling Function
Least Integer Function

A step function of x which is the least integer greater than or equal to x. The ceiling function of x is usually written . Sometimes this function is written with reversed floor function brackets , and other times it is written with reversed boldface brackets ]x[ or reversed plain brackets ]x[.

Examples: and .

 

 

See also

Floor function (also called greatest integer function)

 


  this page updated 15-jul-23
Mathwords: Terms and Formulas from Algebra I to Calculus
written, illustrated, and webmastered by Bruce Simmons
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