package math;

import java.util.Scanner;

import static java.lang.Math.pow;

import static java.lang.Math.sqrt;

public class Math1 {

public static void main(String[] args) {

Scanner scanner = new Scanner(System.in);

System.out.println("Podaj wartosć zmiennej a: ");

int a = scanner.nextInt();

System.out.println("Podaj wartosć zmiennej b: ");

int b = scanner.nextInt();

//scanner.close();

System.out.println(0.5*a*(a *sqrt(3)/2));

System.out.println( pow(a,b));

int grade1 = 5;

int grade2 = 5;

int grade3 = 4;

System.out.println((double) (grade1 + grade2 + grade3)/3);

System.out.println(a*b);

System.out.println("Podaj kwotę netto: ");

double salary_net = scanner.nextDouble();

scanner.close();

int vat_tax = 23;

System.out.println(salary_net * (1 + (double)vat_tax/100));

System.out.printf("%.2fzl brutto \n ",salary_net * (1 + (double)vat_tax/100) );

}

}