Computer Applications
Write a program to input a number and evaluate the results based on the number entered by the user:
(a) Natural logarithm of the number
(b) Absolute value of the number
(c) Square root of the number
(d) Cube of the number
(e) Random numbers between 0 (zero) and 1 (one).
Java
Java Math Lib Methods
ICSE 2006
207 Likes
Answer
import java.util.Scanner;
public class KboatMathMethods
{
public static void main(String args[]) {
Scanner in = new Scanner(System.in);
System.out.print("Enter Number: ");
double n = in.nextDouble();
System.out.println("Natural logarithm = " + Math.log(n));
System.out.println("Absolute value = " + Math.abs(n));
System.out.println("Square root = " + Math.sqrt(n));
System.out.println("Cube root= " + Math.cbrt(n));
System.out.println("Random number = " + Math.random());
}
}Variable Description Table
Program Explanation
Output
Answered By
96 Likes
Related Questions
In an examination, you have appeared for three subjects i.e. Physics, Chemistry and Biology. Write a program in Java to calculate the average mark obtained and finally display the marks in rounded-off form. Take Physics, Chemistry. and Biology marks as inputs.
Write a program in Java to calculate and display the hypotenuse of a Right-Angled Triangle by taking perpendicular and base as inputs.
Hint: h = √p2 + b2
You want to calculate the radius of a circle by using the formula:
Area = (22/7) * r2; where r = radius of a circle
Hence the radius can be calculated as:
r = √((7 * area) / 22)
Write a program in Java to calculate and display the radius of a circle by taking area as an input.
Write a program in Java to input three numbers and display the greatest and the smallest of the two numbers.
Hint: Use Math.min( ) and Math.max( )
Sample Input: 87, 65, 34
Sample Output: Greatest Number 87
Smallest number 34