Ceiling Function Calculator
Find the smallest integer greater than or equal to a real number.
Formula
⌈x⌉ = min{n∈ℤ : n≥x}.
Ceiling ≈ ceil((3.2))
How to use
- Enter a real number.
- Keep the sign for negative values.
- Read its integer ceiling.
Examples
- ⌈3.2⌉=4; ⌈−3.2⌉=−3.
Frequently asked questions
Does ceiling mean nearest integer?
No. It always rounds toward positive infinity.
What happens to negative numbers?
For example, −3.2 becomes −3.
Are integers changed?
No. The ceiling of 5 is 5.
Sources
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