Java NetBeans Membuat Scientific Calculator

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Tutorial Belajar Pemrograman Java NetBeans Pemula
Berikut ini ialah source code untuk membuat GUI application Java NetBeans IDE untuk program scientific calculator.

import java.math.*;

public class Calculator extends javax.swing.JFrame {

    private boolean zerodisp;
    private boolean decdisp;
    private boolean dgrrad;
    private boolean sh;

    private byte op;

    private double ina;
    private double inb;
    private double out;

    public Calculator() {
        initComponents();
    }

    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents() {

        buttonGroup1 = new javax.swing.ButtonGroup();
        display2 = new javax.swing.JTextField();
        display1 = new javax.swing.JTextField();
        memorydisplay = new javax.swing.JTextField();
        memoryread = new javax.swing.JButton();
        memoryclear = new javax.swing.JButton();
        memorysave = new javax.swing.JButton();
        onedividedbyx = new javax.swing.JButton();
        percent = new javax.swing.JButton();
        pi = new javax.swing.JButton();
        cos = new javax.swing.JButton();
        tan = new javax.swing.JButton();
        sin = new javax.swing.JButton();
        seven = new javax.swing.JButton();
        eight = new javax.swing.JButton();
        nine = new javax.swing.JButton();
        add = new javax.swing.JButton();
        squared = new javax.swing.JButton();
        subtract = new javax.swing.JButton();
        squareroot = new javax.swing.JButton();
        multiply = new javax.swing.JButton();
        cubed = new javax.swing.JButton();
        divide = new javax.swing.JButton();
        cuberoot = new javax.swing.JButton();
        four = new javax.swing.JButton();
        five = new javax.swing.JButton();
        six = new javax.swing.JButton();
        one = new javax.swing.JButton();
        two = new javax.swing.JButton();
        three = new javax.swing.JButton();
        negate = new javax.swing.JButton();
        decpoint = new javax.swing.JButton();
        zero = new javax.swing.JButton();
        degrees = new javax.swing.JRadioButton();
        radians = new javax.swing.JRadioButton();
        equals = new javax.swing.JButton();
        clear = new javax.swing.JButton();
        reset = new javax.swing.JButton();
        shift = new javax.swing.JToggleButton();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);
        setTitle("Java Calculator");
        setResizable(false);

        display2.setBackground(new java.awt.Color(199, 218, 220));
        display2.setFont(new java.awt.Font("Tahoma", 1, 24)); // NOI18N
        display2.setBorder(new javax.swing.border.SoftBevelBorder(javax.swing.border.BevelBorder.LOWERED));
        display2.setFocusable(false);

        display1.setBackground(new java.awt.Color(199, 218, 220));
        display1.setFont(new java.awt.Font("Tahoma", 1, 24)); // NOI18N
        display1.setText("0");
        display1.setAutoscrolls(false);
        display1.setBorder(new javax.swing.border.SoftBevelBorder(javax.swing.border.BevelBorder.LOWERED));
        display1.setFocusable(false);

        memorydisplay.setBackground(new java.awt.Color(199, 218, 220));
        memorydisplay.setFont(new java.awt.Font("Tahoma", 1, 14)); // NOI18N
        memorydisplay.setText("0");
        memorydisplay.setBorder(new javax.swing.border.SoftBevelBorder(javax.swing.border.BevelBorder.LOWERED));
        memorydisplay.setFocusable(false);

        memoryread.setFont(new java.awt.Font("Tahoma", 1, 10)); // NOI18N
        memoryread.setText("MR");
        memoryread.setBorder(new javax.swing.border.SoftBevelBorder(javax.swing.border.BevelBorder.RAISED));
        memoryread.setCursor(new java.awt.Cursor(java.awt.Cursor.HAND_CURSOR));
        memoryread.setFocusable(false);
        memoryread.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                memoryreadActionPerformed(evt);
            }
        });

        memoryclear.setFont(new java.awt.Font("Tahoma", 1, 10)); // NOI18N
        memoryclear.setText("MC");
        memoryclear.setBorder(new javax.swing.border.SoftBevelBorder(javax.swing.border.BevelBorder.RAISED));
        memoryclear.setCursor(new java.awt.Cursor(java.awt.Cursor.HAND_CURSOR));
        memoryclear.setFocusable(false);
        memoryclear.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                memoryclearActionPerformed(evt);
            }
        });

        memorysave.setFont(new java.awt.Font("Tahoma", 1, 10)); // NOI18N
        memorysave.setText("MS");
        memorysave.setBorder(new javax.swing.border.SoftBevelBorder(javax.swing.border.BevelBorder.RAISED));
        memorysave.setCursor(new java.awt.Cursor(java.awt.Cursor.HAND_CURSOR));
        memorysave.setFocusable(false);
        memorysave.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                memorysaveActionPerformed(evt);
            }
        });

        onedividedbyx.setFont(new java.awt.Font("Tahoma", 1, 10)); // NOI18N
        onedividedbyx.setText("1/x");
        onedividedbyx.setBorder(new javax.swing.border.SoftBevelBorder(javax.swing.border.BevelBorder.RAISED));
        onedividedbyx.setCursor(new java.awt.Cursor(java.awt.Cursor.HAND_CURSOR));
        onedividedbyx.setFocusable(false);
        onedividedbyx.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                onedividedbyxActionPerformed(evt);
            }
        });

        percent.setFont(new java.awt.Font("Tahoma", 1, 10)); // NOI18N
        percent.setText("%");
        percent.setBorder(new javax.swing.border.SoftBevelBorder(javax.swing.border.BevelBorder.RAISED));
        percent.setCursor(new java.awt.Cursor(java.awt.Cursor.HAND_CURSOR));
        percent.setFocusable(false);
        percent.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                percentActionPerformed(evt);
            }
        });

        pi.setFont(new java.awt.Font("Tahoma", 1, 10)); // NOI18N
        pi.setText("ⁿ");
        pi.setBorder(new javax.swing.border.SoftBevelBorder(javax.swing.border.BevelBorder.RAISED));
        pi.setCursor(new java.awt.Cursor(java.awt.Cursor.HAND_CURSOR));
        pi.setFocusable(false);
        pi.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                piActionPerformed(evt);
            }
        });

        cos.setFont(new java.awt.Font("Tahoma", 1, 8)); // NOI18N
        cos.setText("Cos");
        cos.setBorder(new javax.swing.border.SoftBevelBorder(javax.swing.border.BevelBorder.RAISED));
        cos.setCursor(new java.awt.Cursor(java.awt.Cursor.HAND_CURSOR));
        cos.setFocusable(false);
        cos.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                cosActionPerformed(evt);
            }
        });

        tan.setFont(new java.awt.Font("Tahoma", 1, 8)); // NOI18N
        tan.setText("Tan");
        tan.setBorder(new javax.swing.border.SoftBevelBorder(javax.swing.border.BevelBorder.RAISED));
        tan.setCursor(new java.awt.Cursor(java.awt.Cursor.HAND_CURSOR));
        tan.setFocusable(false);
        tan.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                tanActionPerformed(evt);
            }
        });

        sin.setFont(new java.awt.Font("Tahoma", 1, 8)); // NOI18N
        sin.setText("Sin");
        sin.setBorder(new javax.swing.border.SoftBevelBorder(javax.swing.border.BevelBorder.RAISED));
        sin.setCursor(new java.awt.Cursor(java.awt.Cursor.HAND_CURSOR));
        sin.setFocusable(false);
        sin.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                sinActionPerformed(evt);
            }
        });

        seven.setFont(new java.awt.Font("Tahoma", 1, 10)); // NOI18N
        seven.setText("7");
        seven.setBorder(new javax.swing.border.SoftBevelBorder(javax.swing.border.BevelBorder.RAISED));
        seven.setCursor(new java.awt.Cursor(java.awt.Cursor.HAND_CURSOR));
        seven.setFocusable(false);
        seven.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                sevenActionPerformed(evt);
            }
        });

        eight.setFont(new java.awt.Font("Tahoma", 1, 10)); // NOI18N
        eight.setText("8");
        eight.setBorder(new javax.swing.border.SoftBevelBorder(javax.swing.border.BevelBorder.RAISED));
        eight.setCursor(new java.awt.Cursor(java.awt.Cursor.HAND_CURSOR));
        eight.setFocusable(false);
        eight.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                eightActionPerformed(evt);
            }
        });

        nine.setFont(new java.awt.Font("Tahoma", 1, 10)); // NOI18N
        nine.setText("9");
        nine.setBorder(new javax.swing.border.SoftBevelBorder(javax.swing.border.BevelBorder.RAISED));
        nine.setCursor(new java.awt.Cursor(java.awt.Cursor.HAND_CURSOR));
        nine.setFocusable(false);
        nine.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                nineActionPerformed(evt);
            }
        });

        add.setFont(new java.awt.Font("Tahoma", 1, 10)); // NOI18N
        add.setText("+");
        add.setBorder(new javax.swing.border.SoftBevelBorder(javax.swing.border.BevelBorder.RAISED));
        add.setCursor(new java.awt.Cursor(java.awt.Cursor.HAND_CURSOR));
        add.setFocusable(false);
        add.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                addActionPerformed(evt);
            }
        });

        squared.setFont(new java.awt.Font("Tahoma", 1, 8)); // NOI18N
        squared.setText("x²");
        squared.setBorder(new javax.swing.border.SoftBevelBorder(javax.swing.border.BevelBorder.RAISED));
        squared.setCursor(new java.awt.Cursor(java.awt.Cursor.HAND_CURSOR));
        squared.setFocusable(false);
        squared.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                squaredActionPerformed(evt);
            }
        });

        subtract.setFont(new java.awt.Font("Tahoma", 1, 10)); // NOI18N
        subtract.setText("-");
        subtract.setBorder(new javax.swing.border.SoftBevelBorder(javax.swing.border.BevelBorder.RAISED));
        subtract.setCursor(new java.awt.Cursor(java.awt.Cursor.HAND_CURSOR));
        subtract.setFocusable(false);
        subtract.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                subtractActionPerformed(evt);
            }
        });

        squareroot.setFont(new java.awt.Font("Tahoma", 1, 8)); // NOI18N
        squareroot.setText("√x");
        squareroot.setBorder(new javax.swing.border.SoftBevelBorder(javax.swing.border.BevelBorder.RAISED));
        squareroot.setCursor(new java.awt.Cursor(java.awt.Cursor.HAND_CURSOR));
        squareroot.setFocusable(false);
        squareroot.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                squarerootActionPerformed(evt);
            }
        });

        multiply.setFont(new java.awt.Font("Tahoma", 1, 10)); // NOI18N
        multiply.setText("*");
        multiply.setBorder(new javax.swing.border.SoftBevelBorder(javax.swing.border.BevelBorder.RAISED));
        multiply.setCursor(new java.awt.Cursor(java.awt.Cursor.HAND_CURSOR));
        multiply.setFocusable(false);
        multiply.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                multiplyActionPerformed(evt);
            }
        });

        cubed.setFont(new java.awt.Font("Tahoma", 1, 8)); // NOI18N
        cubed.setText("x³");
        cubed.setBorder(new javax.swing.border.SoftBevelBorder(javax.swing.border.BevelBorder.RAISED));
        cubed.setCursor(new java.awt.Cursor(java.awt.Cursor.HAND_CURSOR));
        cubed.setFocusable(false);
        cubed.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                cubedActionPerformed(evt);
            }
        });

        divide.setFont(new java.awt.Font("Tahoma", 1, 10)); // NOI18N
        divide.setText("/");
        divide.setBorder(new javax.swing.border.SoftBevelBorder(javax.swing.border.BevelBorder.RAISED));
        divide.setCursor(new java.awt.Cursor(java.awt.Cursor.HAND_CURSOR));
        divide.setFocusable(false);
        divide.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                divideActionPerformed(evt);
            }
        });

        cuberoot.setFont(new java.awt.Font("Tahoma", 1, 8)); // NOI18N
        cuberoot.setText("³√x");
        cuberoot.setBorder(new javax.swing.border.SoftBevelBorder(javax.swing.border.BevelBorder.RAISED));
        cuberoot.setCursor(new java.awt.Cursor(java.awt.Cursor.HAND_CURSOR));
        cuberoot.setFocusable(false);
        cuberoot.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                cuberootActionPerformed(evt);
            }
        });

        four.setFont(new java.awt.Font("Tahoma", 1, 10)); // NOI18N
        four.setText("4");
        four.setBorder(new javax.swing.border.SoftBevelBorder(javax.swing.border.BevelBorder.RAISED));
        four.setCursor(new java.awt.Cursor(java.awt.Cursor.HAND_CURSOR));
        four.setFocusable(false);
        four.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                fourActionPerformed(evt);
            }
        });

        five.setFont(new java.awt.Font("Tahoma", 1, 10)); // NOI18N
        five.setText("5");
        five.setBorder(new javax.swing.border.SoftBevelBorder(javax.swing.border.BevelBorder.RAISED));
        five.setCursor(new java.awt.Cursor(java.awt.Cursor.HAND_CURSOR));
        five.setFocusable(false);
        five.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                fiveActionPerformed(evt);
            }
        });

        six.setFont(new java.awt.Font("Tahoma", 1, 10)); // NOI18N
        six.setText("6");
        six.setBorder(new javax.swing.border.SoftBevelBorder(javax.swing.border.BevelBorder.RAISED));
        six.setCursor(new java.awt.Cursor(java.awt.Cursor.HAND_CURSOR));
        six.setFocusable(false);
        six.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                sixActionPerformed(evt);
            }
        });

        one.setFont(new java.awt.Font("Tahoma", 1, 10)); // NOI18N
        one.setText("1");
        one.setBorder(new javax.swing.border.SoftBevelBorder(javax.swing.border.BevelBorder.RAISED));
        one.setCursor(new java.awt.Cursor(java.awt.Cursor.HAND_CURSOR));
        one.setFocusable(false);
        one.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                oneActionPerformed(evt);
            }
        });

        two.setFont(new java.awt.Font("Tahoma", 1, 10)); // NOI18N
        two.setText("2");
        two.setBorder(new javax.swing.border.SoftBevelBorder(javax.swing.border.BevelBorder.RAISED));
        two.setCursor(new java.awt.Cursor(java.awt.Cursor.HAND_CURSOR));
        two.setFocusable(false);
        two.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                twoActionPerformed(evt);
            }
        });

        three.setFont(new java.awt.Font("Tahoma", 1, 10)); // NOI18N
        three.setText("3");
        three.setBorder(new javax.swing.border.SoftBevelBorder(javax.swing.border.BevelBorder.RAISED));
        three.setCursor(new java.awt.Cursor(java.awt.Cursor.HAND_CURSOR));
        three.setFocusable(false);
        three.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                threeActionPerformed(evt);
            }
        });

        negate.setFont(new java.awt.Font("Tahoma", 1, 10)); // NOI18N
        negate.setText("±");
        negate.setBorder(new javax.swing.border.SoftBevelBorder(javax.swing.border.BevelBorder.RAISED));
        negate.setCursor(new java.awt.Cursor(java.awt.Cursor.HAND_CURSOR));
        negate.setFocusable(false);
        negate.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                negateActionPerformed(evt);
            }
        });

        decpoint.setFont(new java.awt.Font("Tahoma", 1, 10)); // NOI18N
        decpoint.setText(".");
        decpoint.setBorder(new javax.swing.border.SoftBevelBorder(javax.swing.border.BevelBorder.RAISED));
        decpoint.setCursor(new java.awt.Cursor(java.awt.Cursor.HAND_CURSOR));
        decpoint.setFocusable(false);
        decpoint.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                decpointActionPerformed(evt);
            }
        });

        zero.setFont(new java.awt.Font("Tahoma", 1, 10)); // NOI18N
        zero.setText("0");
        zero.setBorder(new javax.swing.border.SoftBevelBorder(javax.swing.border.BevelBorder.RAISED));
        zero.setCursor(new java.awt.Cursor(java.awt.Cursor.HAND_CURSOR));
        zero.setFocusable(false);
        zero.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                zeroActionPerformed(evt);
            }
        });

        buttonGroup1.add(degrees);
        degrees.setFont(new java.awt.Font("Tahoma", 1, 10)); // NOI18N
        degrees.setSelected(true);
        degrees.setText("Degrees");
        degrees.setBorder(new javax.swing.border.SoftBevelBorder(javax.swing.border.BevelBorder.RAISED));
        degrees.setCursor(new java.awt.Cursor(java.awt.Cursor.HAND_CURSOR));
        degrees.setFocusable(false);
        degrees.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                degreesActionPerformed(evt);
            }
        });

        buttonGroup1.add(radians);
        radians.setFont(new java.awt.Font("Tahoma", 1, 10)); // NOI18N
        radians.setText("Radians");
        radians.setBorder(new javax.swing.border.SoftBevelBorder(javax.swing.border.BevelBorder.RAISED));
        radians.setCursor(new java.awt.Cursor(java.awt.Cursor.HAND_CURSOR));
        radians.setFocusable(false);
        radians.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                radiansActionPerformed(evt);
            }
        });

        equals.setFont(new java.awt.Font("Tahoma", 1, 10)); // NOI18N
        equals.setText("=");
        equals.setBorder(new javax.swing.border.SoftBevelBorder(javax.swing.border.BevelBorder.RAISED));
        equals.setCursor(new java.awt.Cursor(java.awt.Cursor.HAND_CURSOR));
        equals.setFocusable(false);
        equals.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                equalsActionPerformed(evt);
            }
        });

        clear.setFont(new java.awt.Font("Tahoma", 1, 10)); // NOI18N
        clear.setText("CE");
        clear.setBorder(new javax.swing.border.SoftBevelBorder(javax.swing.border.BevelBorder.RAISED));
        clear.setCursor(new java.awt.Cursor(java.awt.Cursor.HAND_CURSOR));
        clear.setFocusable(false);
        clear.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                clearActionPerformed(evt);
            }
        });

        reset.setFont(new java.awt.Font("Tahoma", 1, 10)); // NOI18N
        reset.setText("C");
        reset.setBorder(new javax.swing.border.SoftBevelBorder(javax.swing.border.BevelBorder.RAISED));
        reset.setCursor(new java.awt.Cursor(java.awt.Cursor.HAND_CURSOR));
        reset.setFocusable(false);
        reset.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                resetActionPerformed(evt);
            }
        });

        shift.setFont(new java.awt.Font("Tahoma", 1, 10)); // NOI18N
        shift.setText("Sh");
        shift.setBorder(new javax.swing.border.SoftBevelBorder(javax.swing.border.BevelBorder.RAISED));
        shift.setCursor(new java.awt.Cursor(java.awt.Cursor.HAND_CURSOR));
        shift.setFocusable(false);
        shift.addMouseListener(new java.awt.event.MouseAdapter() {
            public void mouseClicked(java.awt.event.MouseEvent evt) {
                shiftMouseClicked(evt);
            }
        });

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                        .addComponent(equals, javax.swing.GroupLayout.PREFERRED_SIZE, 162, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                        .addComponent(clear, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addComponent(divide, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE)
                            .addComponent(reset, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE)))
                    .addComponent(display2)
                    .addComponent(display1, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.PREFERRED_SIZE, 0, Short.MAX_VALUE)
                    .addGroup(layout.createSequentialGroup()
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addGroup(layout.createSequentialGroup()
                                .addComponent(memoryread, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addComponent(memoryclear, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addComponent(memorysave, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE))
                            .addGroup(layout.createSequentialGroup()
                                .addComponent(degrees)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addComponent(radians)))
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                            .addGroup(layout.createSequentialGroup()
                                .addComponent(percent, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addComponent(onedividedbyx, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE))
                            .addComponent(memorydisplay)))
                    .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                        .addComponent(four, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(five, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(six, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                        .addComponent(squareroot, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(subtract, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE))
                    .addGroup(layout.createSequentialGroup()
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                            .addGroup(layout.createSequentialGroup()
                                .addComponent(one, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addComponent(two, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE))
                            .addGroup(layout.createSequentialGroup()
                                .addComponent(zero, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addComponent(decpoint, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE)))
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addGroup(layout.createSequentialGroup()
                                .addComponent(three, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                                .addComponent(cubed, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addComponent(multiply, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE))
                            .addGroup(layout.createSequentialGroup()
                                .addComponent(negate, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                                .addComponent(cuberoot, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addGap(56, 56, 56))))
                    .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addGroup(layout.createSequentialGroup()
                                .addComponent(seven, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addComponent(eight, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addComponent(nine, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE))
                            .addGroup(layout.createSequentialGroup()
                                .addComponent(sin, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addComponent(cos, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addComponent(tan, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE)))
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                            .addGroup(layout.createSequentialGroup()
                                .addComponent(shift, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addComponent(pi, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE))
                            .addGroup(layout.createSequentialGroup()
                                .addComponent(squared, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addComponent(add, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE)))))
                .addContainerGap())
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(display2, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(display1, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                        .addComponent(memorydisplay, javax.swing.GroupLayout.PREFERRED_SIZE, 30, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addComponent(memoryread, javax.swing.GroupLayout.PREFERRED_SIZE, 30, javax.swing.GroupLayout.PREFERRED_SIZE))
                    .addComponent(memoryclear, javax.swing.GroupLayout.PREFERRED_SIZE, 30, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(memorysave, javax.swing.GroupLayout.PREFERRED_SIZE, 30, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(layout.createSequentialGroup()
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addComponent(onedividedbyx, javax.swing.GroupLayout.PREFERRED_SIZE, 30, javax.swing.GroupLayout.PREFERRED_SIZE)
                            .addComponent(percent, javax.swing.GroupLayout.PREFERRED_SIZE, 30, javax.swing.GroupLayout.PREFERRED_SIZE))
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
                    .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                            .addComponent(degrees)
                            .addComponent(radians))
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)))
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                    .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                        .addComponent(sin, javax.swing.GroupLayout.DEFAULT_SIZE, 30, Short.MAX_VALUE)
                        .addComponent(tan, javax.swing.GroupLayout.DEFAULT_SIZE, 30, Short.MAX_VALUE)
                        .addComponent(pi, javax.swing.GroupLayout.DEFAULT_SIZE, 30, Short.MAX_VALUE)
                        .addComponent(shift, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
                    .addComponent(cos, javax.swing.GroupLayout.PREFERRED_SIZE, 30, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(seven, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(eight, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(nine, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(add, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(squared, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(subtract, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(squareroot, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(four, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(five, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(six, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(multiply, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(cubed, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(one, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(two, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(three, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(divide, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(cuberoot, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(negate, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(decpoint, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(zero, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                    .addComponent(equals, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(clear, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(reset, javax.swing.GroupLayout.PREFERRED_SIZE, 50, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addContainerGap())
        );

        pack();
    }// </editor-fold>//GEN-END:initComponents

    private void zeroActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_zeroActionPerformed
        if(!zerodisp && !decdisp){
            display1.setText(null);
        }
        display1.setText(display1.getText() + "0");
    }//GEN-LAST:event_zeroActionPerformed

    private void oneActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_oneActionPerformed
        if(!zerodisp && !decdisp){
            display1.setText(null);
        }
        display1.setText(display1.getText() + "1");
        zerodisp = true;
    }//GEN-LAST:event_oneActionPerformed

    private void twoActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_twoActionPerformed
        if(!zerodisp && !decdisp){
            display1.setText(null);
        }
        display1.setText(display1.getText() + "2");
        zerodisp = true;
    }//GEN-LAST:event_twoActionPerformed

    private void threeActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_threeActionPerformed
        if(!zerodisp && !decdisp){
            display1.setText(null);
        }
        display1.setText(display1.getText() + "3");
        zerodisp = true;
    }//GEN-LAST:event_threeActionPerformed

    private void fourActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_fourActionPerformed
        if(!zerodisp && !decdisp){
            display1.setText(null);
        }
        display1.setText(display1.getText() + "4");
        zerodisp = true;
    }//GEN-LAST:event_fourActionPerformed

    private void fiveActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_fiveActionPerformed
        if(!zerodisp && !decdisp){
            display1.setText(null);
        }
        display1.setText(display1.getText() + "5");
        zerodisp = true;
    }//GEN-LAST:event_fiveActionPerformed

    private void sixActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_sixActionPerformed
        if(!zerodisp && !decdisp){
            display1.setText(null);
        }
        display1.setText(display1.getText() + "6");
        zerodisp = true;
    }//GEN-LAST:event_sixActionPerformed

    private void sevenActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_sevenActionPerformed
        if(!zerodisp && !decdisp){
            display1.setText(null);
        }
        display1.setText(display1.getText() + "7");
        zerodisp = true;
    }//GEN-LAST:event_sevenActionPerformed

    private void eightActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_eightActionPerformed
        if(!zerodisp && !decdisp){
            display1.setText(null);
        }
        display1.setText(display1.getText() + "8");
        zerodisp = true;
    }//GEN-LAST:event_eightActionPerformed

    private void nineActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_nineActionPerformed
        if(!zerodisp && !decdisp){
            display1.setText(null);
        }
        display1.setText(display1.getText() + "9");
        zerodisp = true;
    }//GEN-LAST:event_nineActionPerformed

    private void decpointActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_decpointActionPerformed
        if(!decdisp){
            display1.setText(display1.getText() + ".");
            decdisp = true;
        }
    }//GEN-LAST:event_decpointActionPerformed

    private void negateActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_negateActionPerformed
        inb = Double.parseDouble(String.valueOf(display1.getText()));
        out = inb * -1;

        if(out > -100000000 && out < 100000000){
            display1.setText(String.valueOf(out));
        }
        else{
            display1.setText("Error");
        }
        decdisp = true;
        out = 0;
    }//GEN-LAST:event_negateActionPerformed

    private void clearActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_clearActionPerformed
        display1.setText("0");
        zerodisp = false;
        decdisp = false;
    }//GEN-LAST:event_clearActionPerformed

    private void resetActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_resetActionPerformed
        display1.setText("0");
        display2.setText(null);
        zerodisp = false;
        decdisp = false;
        ina = 0;
        inb = 0;
        out = 0;
    }//GEN-LAST:event_resetActionPerformed

    private void memoryreadActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_memoryreadActionPerformed
        display1.setText(String.valueOf(memorydisplay.getText()));
    }//GEN-LAST:event_memoryreadActionPerformed

    private void memoryclearActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_memoryclearActionPerformed
        memorydisplay.setText("0");
    }//GEN-LAST:event_memoryclearActionPerformed

    private void memorysaveActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_memorysaveActionPerformed
        memorydisplay.setText(String.valueOf(display1.getText()));
    }//GEN-LAST:event_memorysaveActionPerformed

    private void onedividedbyxActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_onedividedbyxActionPerformed
        inb = Double.parseDouble(String.valueOf(display1.getText()));
        out = 1 / inb;

        if(out > -100000000 && out < 100000000){
            display1.setText(String.valueOf(out));
        }
        else{
            display1.setText("Error");
        }
        display2.setText("1/" + String.valueOf(inb));
        out = 0;
        op = 0;
    }//GEN-LAST:event_onedividedbyxActionPerformed

    private void piActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_piActionPerformed
        display1.setText(String.valueOf(Math.PI));
    }//GEN-LAST:event_piActionPerformed

    private void squaredActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_squaredActionPerformed
        inb = Double.parseDouble(String.valueOf(display1.getText()));
        out = inb * inb;

        if(out > -100000000 && out < 100000000){
            display1.setText(String.valueOf(out));
        }
        else{
            display1.setText("Error");
        }

        display2.setText(String.valueOf(inb) + "²");
        out = 0;
        op = 0;
    }//GEN-LAST:event_squaredActionPerformed

    private void squarerootActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_squarerootActionPerformed
        inb = Double.parseDouble(String.valueOf(display1.getText()));
        out = Math.sqrt(inb);

        display1.setText(String.valueOf(out));

        display2.setText("√" + String.valueOf(inb));
        out = 0;
        op = 0;
    }//GEN-LAST:event_squarerootActionPerformed

    private void cubedActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_cubedActionPerformed
        inb = Double.parseDouble(String.valueOf(display1.getText()));
        out = inb * inb * inb;

        if(out > -100000000 && out < 100000000){
            display1.setText(String.valueOf(out));
        }
        else{
            display1.setText("Error");
        }

        display2.setText(String.valueOf(inb) + "³");
        out = 0;
        op = 0;
    }//GEN-LAST:event_cubedActionPerformed

    private void cuberootActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_cuberootActionPerformed
        inb = Double.parseDouble(String.valueOf(display1.getText()));
        out = Math.cbrt(inb);

        display1.setText(String.valueOf(out));

        display2.setText("³√" + String.valueOf(inb));
        out = 0;
        op = 0;
    }//GEN-LAST:event_cuberootActionPerformed

    private void shiftMouseClicked(java.awt.event.MouseEvent evt) {//GEN-FIRST:event_shiftMouseClicked
        if(!sh){
            sh = true;
        }
        else{
            sh = false;
        }
    }//GEN-LAST:event_shiftMouseClicked

    private void sinActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_sinActionPerformed
        inb = Double.parseDouble(String.valueOf(display1.getText()));
        if(!sh){
            if(!dgrrad){
                display2.setText("sin(" + String.valueOf(inb) + ")");
                inb = inb * 0.0174532925;
            }
            out = Math.sin(inb);
        }
        else{
            display2.setText("sinh(" + String.valueOf(inb) + ")");
            out = Math.sinh(inb);
        }

        display1.setText(String.valueOf(out));
        out = 0;
        op = 0;
    }//GEN-LAST:event_sinActionPerformed

    private void cosActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_cosActionPerformed
        inb = Double.parseDouble(String.valueOf(display1.getText()));
        if(!sh){
            if(!dgrrad){
                display2.setText("cos(" + String.valueOf(inb) + ")");
                inb = inb * 0.0174532925;
            }
            out = Math.cos(inb);
        }
        else{
            display2.setText("cosh(" + String.valueOf(inb) + ")");
            out = Math.cosh(inb);
        }

        display1.setText(String.valueOf(out));
        out = 0;
        op = 0;
    }//GEN-LAST:event_cosActionPerformed

    private void tanActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_tanActionPerformed
        inb = Double.parseDouble(String.valueOf(display1.getText()));
        if(!sh){
            if(!dgrrad){
                display2.setText("tan(" + String.valueOf(inb) + ")");
                inb = inb * 0.0174532925;
            }
            out = Math.tan(inb);
        }
        else{
            display2.setText("tanh(" + String.valueOf(inb) + ")");
            out = Math.tanh(inb);
        }

        display1.setText(String.valueOf(out));
        out = 0;
        op = 0;
    }//GEN-LAST:event_tanActionPerformed

    private void degreesActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_degreesActionPerformed
        dgrrad = false;
    }//GEN-LAST:event_degreesActionPerformed

    private void radiansActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_radiansActionPerformed
        dgrrad = true;
    }//GEN-LAST:event_radiansActionPerformed

    private void addActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_addActionPerformed
        if(op == 0){
            ina = Double.parseDouble(String.valueOf(display1.getText()));
        }
        else{
            inb = Double.parseDouble(String.valueOf(display1.getText()));
        }

        if(op == 1){
            ina = ina + inb;
        }

        if(op == 2){
            ina = ina - inb;
        }

        if(op == 3){
            ina = ina * inb;
        }

        if(op == 4){
            ina = ina / inb;
        }

        if(op == 5){
            ina = ina * inb / 100;
        }

        display1.setText("0");
        display2.setText(String.valueOf(ina) + " + ");

        op = 1;

        decdisp = false;
        zerodisp = false;
    }//GEN-LAST:event_addActionPerformed

    private void subtractActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_subtractActionPerformed
        if(op == 0){
            ina = Double.parseDouble(String.valueOf(display1.getText()));
        }
        else{
            inb = Double.parseDouble(String.valueOf(display1.getText()));
        }

        if(op == 1){
            ina = ina + inb;
        }

        if(op == 2){
            ina = ina - inb;
        }

        if(op == 3){
            ina = ina * inb;
        }

        if(op == 4){
            ina = ina / inb;
        }

        if(op == 5){
            ina = ina * inb / 100;
        }

        display1.setText("0");
        display2.setText(String.valueOf(ina) + " - ");

        op = 2;

        decdisp = false;
        zerodisp = false;
    }//GEN-LAST:event_subtractActionPerformed

    private void multiplyActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_multiplyActionPerformed
        if(op == 0){
            ina = Double.parseDouble(String.valueOf(display1.getText()));
        }
        else{
            inb = Double.parseDouble(String.valueOf(display1.getText()));
        }

        if(op == 1){
            ina = ina + inb;
        }

        if(op == 2){
            ina = ina - inb;
        }

        if(op == 3){
            ina = ina * inb;
        }

        if(op == 4){
            ina = ina / inb;
        }

        if(op == 5){
            ina = ina * inb / 100;
        }

        display1.setText("0");
        display2.setText(String.valueOf(ina) + " * ");

        op = 3;

        decdisp = false;
        zerodisp = false;
    }//GEN-LAST:event_multiplyActionPerformed

    private void divideActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_divideActionPerformed
        if(op == 0){
            ina = Double.parseDouble(String.valueOf(display1.getText()));
        }
        else{
            inb = Double.parseDouble(String.valueOf(display1.getText()));
        }

        if(op == 1){
            ina = ina + inb;
        }

        if(op == 2){
            ina = ina - inb;
        }

        if(op == 3){
            ina = ina * inb;
        }

        if(op == 4){
            ina = ina / inb;
        }

        if(op == 5){
            ina = ina * inb / 100;
        }

        display1.setText("0");
        display2.setText(String.valueOf(ina) + " / ");

        op = 4;

        decdisp = false;
        zerodisp = false;
    }//GEN-LAST:event_divideActionPerformed

    private void percentActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_percentActionPerformed
        ina = Double.parseDouble(String.valueOf(display1.getText()));
        display1.setText("0");
        display2.setText(String.valueOf(ina) + "%(");

        decdisp = false;
        zerodisp = false;
        op = 5;
    }//GEN-LAST:event_percentActionPerformed

    private void equalsActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_equalsActionPerformed
        inb = Double.parseDouble(String.valueOf(display1.getText()));

        if(op == 0){
            out = inb;
            display2.setText(String.valueOf(inb));
        }

        if(op == 1){
            out = ina + inb;
            display2.setText(display2.getText() + String.valueOf(inb));
        }

        if(op == 2){
            out = ina - inb;
            display2.setText(display2.getText() + String.valueOf(inb));
        }

        if(op == 3){
            out = ina * inb;
            display2.setText(display2.getText() + String.valueOf(inb));
        }

        if(op == 4){
            out = ina / inb;
            display2.setText(display2.getText() + String.valueOf(inb));
        }

        if(op == 5){
            out = ina * inb / 100;
            display2.setText(display2.getText() + String.valueOf(inb) + ")");
        }

        if(out > -100000000 && out < 100000000){
            display1.setText(String.valueOf(out));
        }
        else{
            display1.setText("Error");
        }

        ina = 0;
        inb = 0;
        out = 0;

        op = 0;
        decdisp = false;
        zerodisp = false;
    }//GEN-LAST:event_equalsActionPerformed

    public static void main(String args[]) {

        //<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
        /* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
         * For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html
         */
        try {
            for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
                if ("Nimbus".equals(info.getName())) {
                    javax.swing.UIManager.setLookAndFeel(info.getClassName());
                    break;
                }
            }
        } catch (ClassNotFoundException ex) {
            java.util.logging.Logger.getLogger(Calculator.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (InstantiationException ex) {
            java.util.logging.Logger.getLogger(Calculator.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (IllegalAccessException ex) {
            java.util.logging.Logger.getLogger(Calculator.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(Calculator.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        }
        //</editor-fold>

        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new Calculator().setVisible(true);
            }
        });
    }
    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JButton add;
    private javax.swing.ButtonGroup buttonGroup1;
    private javax.swing.JButton clear;
    private javax.swing.JButton cos;
    private javax.swing.JButton cubed;
    private javax.swing.JButton cuberoot;
    private javax.swing.JButton decpoint;
    private javax.swing.JRadioButton degrees;
    private javax.swing.JTextField display1;
    private javax.swing.JTextField display2;
    private javax.swing.JButton divide;
    private javax.swing.JButton eight;
    private javax.swing.JButton equals;
    private javax.swing.JButton five;
    private javax.swing.JButton four;
    private javax.swing.JButton memoryclear;
    private javax.swing.JTextField memorydisplay;
    private javax.swing.JButton memoryread;
    private javax.swing.JButton memorysave;
    private javax.swing.JButton multiply;
    private javax.swing.JButton negate;
    private javax.swing.JButton nine;
    private javax.swing.JButton one;
    private javax.swing.JButton onedividedbyx;
    private javax.swing.JButton percent;
    private javax.swing.JButton pi;
    private javax.swing.JRadioButton radians;
    private javax.swing.JButton reset;
    private javax.swing.JButton seven;
    private javax.swing.JToggleButton shift;
    private javax.swing.JButton sin;
    private javax.swing.JButton six;
    private javax.swing.JButton squared;
    private javax.swing.JButton squareroot;
    private javax.swing.JButton subtract;
    private javax.swing.JButton tan;
    private javax.swing.JButton three;
    private javax.swing.JButton two;
    private javax.swing.JButton zero;
    // End of variables declaration//GEN-END:variables
}

Berikut ini ialah video tutorial tentang bagaimana membuat aplikasi GUI scientific calculator dengan menggunakan Java NetBeans IDE.

Aplikasi GUI kalkulator ilmiah dengan Java NetBeans IDE ini menawarkan berbagai feature yang mendukung analisis ilmiah yang lebih dari sekedar kalkulator sederhana. Adapun feature yang ditawarkan, mulai dari operasi perhitungan dasar (penjumlahan, pengurangan, perkalian, dan pembagian), menghitung nilai akar (square root), hingga nilai dari suatu sudut derajat maupun radian.

<img src="java_calculator.png" alt="java_calculator">

Lihat juga mengenai artikel membuat aplikasi GUI Java NetBeans membuat jam digital dan converter suhu sederhana.