Contents

- 1 How do you find the square root of a number in Java?
- 2 How do you square a number in Java?
- 3 How do you square a number?
- 4 How do you find the power of a number in Java?
- 5 What is Pi in Java?
- 6 How do you write a power of 2 in Java?
- 7 How do you find a perfect square in Java?
- 8 What is the square of 1 to 30?
- 9 How do you find the square root of a number without a calculator?
- 10 What is the formula of square root?
- 11 Is a square root a whole number?

## How do you find the square root of a number in Java?

Java program to find the square root of a given number

- Define value n to find the square root of.
- Define variable i and set it to 1. ( For integer part)
- Define variable p and set it to 0.00001. (
- While i*i is less than n, increment i.
- Step 4 should produce the integer part so far.
- While i*i is less than n, add p to i.
- Now i have the square root value of n.

## How do you square a number in Java?

You can square a number in Java in two different ways:

- Multiply the number by itself.
- Call the Math. pow function.

## How do you square a number?

When you multiply a number by itself, the result is a square number:

- x 1 = 1 7 x 7 = 49.
- x 2 = 4 8 x 8 = 64.
- x 3 = 9 9 x 9 = 81.
- x 4 = 16 10 x 10 = 100.
- x 5 = 25 11 x 11 = 121.
- x 6 = 36 12 x 12 = 144.

## How do you find the power of a number in Java?

Read the base and exponent values from the user. Multiply the base number by itself and multiply the resultant with base (again) repeat this n times where n is the exponent value.

## What is Pi in Java?

PI is a mathematics number defined as the circumference of any circle divided by its diameter. Java has provided the java. static double PI = 3.141592653589793; In this example, I will print out the math. pi java value and use it to calculate a circle’s circumference and area.

## How do you write a power of 2 in Java?

The java. lang. Math. pow() is used to calculate a number raise to the power of some other number.

- If the second parameter is positive or negative zero then the result will be 1.0.
- If the second parameter is 1.0 then the result will be same as that of the first parameter.

## How do you find a perfect square in Java?

CheckPerfectSquareExample1. java

- import java.util.Scanner;
- public class CheckPerfectSquareExample1.
- {
- //user-defined method that checks the number is perfect square or not.
- static boolean checkPerfectSquare(double number)
- {
- //calculating the square root of the given number.
- double sqrt=Math.sqrt(number);

## What is the square of 1 to 30?

Square, Cube, Square Root and Cubic Root for Numbers Ranging 0 – 100

Number x | Square x^{2} |
Square Root x^{1}^{/}^{2} |
---|---|---|

28 | 784 | 5.292 |

29 | 841 | 5.385 |

30 | 900 | 5.477 |

31 | 961 | 5.568 |

## How do you find the square root of a number without a calculator?

- Examples.
- Finding square roots of of numbers that aren’t perfect squares without a calculator.
- Example: Calculate the square root of 10 ( ) to 2 decimal places.
- Find the two perfect square numbers it lies between.
- Divide 10 by 3.
- Average 3.33 and 3. (
- Repeat step 2: 10/3.1667 = 3.1579.

## What is the formula of square root?

The two square numbers in between which;3′ lies are 1 and 4. So, the square root of 3 lies between 1 and 2. Find the average of these two numbers to get the square root of 3. Square root of 3 = (1.5 + 2)/2 = 1.75 which is approximately equal to square root of 3. Square Root Formulas with Examples.

2 | 576 |
---|---|

2 | 18 |

3 | 9 |

3 | 3 |

1 |

## Is a square root a whole number?

When the square root of a number is a whole number, this number is called a perfect square. 9 is a perfect square because begin{align*}sqrt{9}=3end{align*}. Not all square roots are whole numbers. Many square roots are irrational numbers, meaning there is no rational number equivalent.