import java.util.Scanner; public class abcRechner { public static void abcrechenr() { //screen display Scanner sc = new Scanner(System.in); System.out.println("Input first number"); double a = sc.nextInt(); System.out.println("Input second number"); double b = sc.nextInt(); System.out.println("Input thinrd number"); double c = sc.nextInt(); //program start double root; root = Math.sqrt((b * b) - (4 * a * c)); double bottom; bottom = 2 * a; double result1; result1 = (-b + root) / bottom; double result2; result2 = (-b - root) / bottom; //outputs if( root < 0) { System.out.print("no answer possible"); } else{ if( root == 0) { System.out.print("The answer is: "); } else{ System.out.print("first answer is: "); System.out.println(result1); System.out.print("second answer is: "); System.out.println(result2); } } } }