public void run() {
		println("Enter coefficients for the quadratic equation: ");		//prompts the user to enter coefficients
		double a = readDouble("a: ");
		double b = readDouble("b: ");
		double c = readDouble("c: ");
		double radicand = (b * b) - (4 * a * c);						//calculates radicand
		if (radicand < 0) {												//determines whether or not radicand is negative
			println("The equation has no real solutions.");				//informs user equation has no real solutions
		} else {
			double x1 = calculateSolutionOne(b, radicand, a);				//calculates the first solution
			double x2 = calculateSolutionTwo(b, radicand, a);				//calculates the second solution
			println("The first solution is: " + x1);
			println("The second solution is: " + x2);
		}
	}