ZCW-MacroLabs-OOP-ScientificCalculator/CoreFeatures.java

/**
 * Write a description of class CoreFeatures here.
 *
 * @author (your name)
 * @version (a version number or a date)
 */
public class CoreFeatures extends MainApplication {
    // instance variables - replace the example below with your own
    private double x;
    private double addedNumbers;
    //addition
    private double subtractedNumbers;
    //subtraction
    private double multipliedNumbers;
    //multiplication
    private double dividedNumbers;
    //divide
    private double squaredNumber;
    //square
    private double squareRoot;
    //square root
    private boolean calcRunning;
    //calculator status
    private double switchedNumber;
    //changing the sign of a number
    private double inversedNumber;
    //inversing a number
    private boolean clearCalculator;
    //clear button
    //private double memory;
    //number to be stored
    //public double m;
    //memory button

    /**
     * Constructor for objects of class CoreFeatures
     */
    public CoreFeatures(){
        // initialise instance variables
        x = 0;
    }

    public double addNumbers(double adding1, double adding2){
        addedNumbers = adding1 + adding2;
        return addedNumbers;}

    public double subtractNumbers(double subtracting1, double subtracting2){
        subtractedNumbers = subtracting1 - subtracting2;
        return subtractedNumbers;}

    public double multiplyNumbers(double multiplying1, double multiplying2){
        multipliedNumbers = multiplying1 * multiplying2;
        return multipliedNumbers;}

    public double divideNumbers(double dividing1, double dividing2){
        if (dividing2 == 0){
            System.out.println("**ERROR** CANNOT DIVIDE BY ZERO.");
            Console.result = 0;} else {
            dividedNumbers = dividing1 / dividing2;
            return dividedNumbers;}

        /*double userCorrectedInput = Console.getDoubleInput("**Err** CANNOT DIVIDE BY ZERO.  Please clear the calculator.");
        return userCorrectedInput;*/

        /*dividedNumbers = dividing1 / dividing2;
        return dividedNumbers;*/
        return dividedNumbers;}

    public double squareNumber(double squaring){
        squaredNumber = squaring * squaring;
        return squaredNumber;}

    public double squareRoot(double squareRooting){
        squareRoot = squareRoot(squareRooting);
        return squareRoot;}

    public double switchSign(double switchingSign){
        switchedNumber = switchingSign * -1;
        return switchedNumber;
    }

    public double inverseNumber(double inversing){
        inversedNumber = 1/inversing;
        return inversedNumber;
    }
    
    public boolean clearCalculator(){
        clearCalculator = true;
        Console.result = 0;
        return clearCalculator;
    }

    public boolean calcRunning(){
        calcRunning = false;
        return calcRunning;
    }

    /*public double memoryStore(){
    memory = Console.result;
    if (memory == Console.result){
    m = memory;
    }
    return memory;
    }
     */
}