.Floor()

Math.Floor() is a static method that rounds down and returns the largest whole integer that is less than or equal to the given number.

Syntax

Math.Floor(x);

• The Math.Floor() method is used to find the largest whole integer that is less than or equal to the argument, x, passed in. The argument can be of a float or double type.
• The System namespace is required to access this method.

Example

The following example uses Math.Floor() to return the largest whole number.

// Include the System namespace
using System;

public class Floor {
    public static void Main() {
        Console.WriteLine(Math.Floor(5.05));
    }
}

The example will result in the following output:

5

Codebyte Example

The following example is runnable and uses the Math.Floor() method to return the largest whole number that is less than or equal to the given double type number:

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