public class CalculatorTest { public static void main (String args[]) { Calculator myCalculator = new Calculator(); if myCalculator.isOff() { myCalculator.power(); } System.out.println(myCalculator.add(3,4)); System.out.println(myCalculator.subtract(3,4)); System.out.println(myCalculator.multiply(3,4)); System.out.println(myCalculator.divide(3,4)); myCalculator.setMemory(); System.out.println(myCalculator.multiply(-1,myCalculator.memoryRecall()); myCalculator.setMemory(); myCalculator.memoryAdd(10); System.out.println(myCalculator.memoryRecall()); } } /* HARD RUN 7.0 -1.0 12.0 0.75 -0.75 9.25 */