commit 0a79983a5840fa9297e20ff067817f7ca97c12cf
Author: bMorgan17 <27574085+bMorgan17@users.noreply.github.com>
Date:   Thu Aug 8 09:53:43 2019 -0500

    Init commit

diff --git a/Calc.jar b/Calc.jar
new file mode 100644
index 0000000..c9194b1
Binary files /dev/null and b/Calc.jar differ
diff --git a/Gui.java b/Gui.java
new file mode 100644
index 0000000..de8a864
--- /dev/null
+++ b/Gui.java
@@ -0,0 +1,566 @@
+import java.awt.*;
+import java.awt.event.*;
+import javax.swing.*;
+
+@SuppressWarnings("serial")
+public class Gui extends JFrame {
+    private JPanel fieldPanel, buttonsPanel;
+    private JTextField field;
+    private JButton sqrt, npower, square, recip,
+                    clearAll, bckSpc, percent, div,
+                    but7, but8, but9, mult,
+                    but4, but5, but6, sub,
+                    but1, but2, but3, add,
+                    sign, but0, pnt, equals;
+
+    private boolean powerPressed, divPressed, multPressed, subPressed, addPressed, cleared, dotQueued, newEq;
+    private double storedVal;
+
+    public Gui(String s) {
+        super(s);
+        setFocusable(true);
+        requestFocusInWindow();
+
+        ((JPanel)getContentPane()).getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(KeyStroke.getKeyStroke(KeyEvent.VK_NUMPAD0, 0), "0");
+        ((JPanel)getContentPane()).getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(KeyStroke.getKeyStroke(KeyEvent.VK_NUMPAD1, 0), "1");
+        ((JPanel)getContentPane()).getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(KeyStroke.getKeyStroke(KeyEvent.VK_NUMPAD2, 0), "2");
+        ((JPanel)getContentPane()).getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(KeyStroke.getKeyStroke(KeyEvent.VK_NUMPAD3, 0), "3");
+        ((JPanel)getContentPane()).getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(KeyStroke.getKeyStroke(KeyEvent.VK_NUMPAD4, 0), "4");
+        ((JPanel)getContentPane()).getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(KeyStroke.getKeyStroke(KeyEvent.VK_NUMPAD5, 0), "5");
+        ((JPanel)getContentPane()).getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(KeyStroke.getKeyStroke(KeyEvent.VK_NUMPAD6, 0), "6");
+        ((JPanel)getContentPane()).getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(KeyStroke.getKeyStroke(KeyEvent.VK_NUMPAD7, 0), "7");
+        ((JPanel)getContentPane()).getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(KeyStroke.getKeyStroke(KeyEvent.VK_NUMPAD8, 0), "8");
+        ((JPanel)getContentPane()).getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(KeyStroke.getKeyStroke(KeyEvent.VK_NUMPAD9, 0), "9");
+
+        ((JPanel)getContentPane()).getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(KeyStroke.getKeyStroke(KeyEvent.VK_0, 0), "0");
+        ((JPanel)getContentPane()).getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(KeyStroke.getKeyStroke(KeyEvent.VK_1, 0), "1");
+        ((JPanel)getContentPane()).getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(KeyStroke.getKeyStroke(KeyEvent.VK_2, 0), "2");
+        ((JPanel)getContentPane()).getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(KeyStroke.getKeyStroke(KeyEvent.VK_3, 0), "3");
+        ((JPanel)getContentPane()).getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(KeyStroke.getKeyStroke(KeyEvent.VK_4, 0), "4");
+        ((JPanel)getContentPane()).getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(KeyStroke.getKeyStroke(KeyEvent.VK_5, 0), "5");
+        ((JPanel)getContentPane()).getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(KeyStroke.getKeyStroke(KeyEvent.VK_6, 0), "6");
+        ((JPanel)getContentPane()).getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(KeyStroke.getKeyStroke(KeyEvent.VK_7, 0), "7");
+        ((JPanel)getContentPane()).getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(KeyStroke.getKeyStroke(KeyEvent.VK_8, 0), "8");
+        ((JPanel)getContentPane()).getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(KeyStroke.getKeyStroke(KeyEvent.VK_9, 0), "9");
+
+        ((JPanel)getContentPane()).getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(KeyStroke.getKeyStroke("shift 6"), "npower");
+        ((JPanel)getContentPane()).getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(KeyStroke.getKeyStroke("shift 5"), "percent");
+        ((JPanel)getContentPane()).getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(KeyStroke.getKeyStroke(KeyEvent.VK_SLASH, 0), "div");
+        ((JPanel)getContentPane()).getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(KeyStroke.getKeyStroke(KeyEvent.VK_DIVIDE, 0), "div");
+        ((JPanel)getContentPane()).getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(KeyStroke.getKeyStroke("shift 8"), "mult");
+        ((JPanel)getContentPane()).getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(KeyStroke.getKeyStroke(KeyEvent.VK_MULTIPLY, 0), "mult");
+        ((JPanel)getContentPane()).getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(KeyStroke.getKeyStroke(KeyEvent.VK_MINUS, 0), "sub");
+        ((JPanel)getContentPane()).getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(KeyStroke.getKeyStroke(KeyEvent.VK_SUBTRACT, 0), "sub");
+        ((JPanel)getContentPane()).getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(KeyStroke.getKeyStroke(KeyEvent.VK_EQUALS, InputEvent.SHIFT_DOWN_MASK), "add");
+        ((JPanel)getContentPane()).getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(KeyStroke.getKeyStroke(KeyEvent.VK_ADD, 0), "add");
+        ((JPanel)getContentPane()).getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(KeyStroke.getKeyStroke(KeyEvent.VK_PERIOD, 0), "dot");
+        ((JPanel)getContentPane()).getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(KeyStroke.getKeyStroke(KeyEvent.VK_DECIMAL, 0), "dot");
+        ((JPanel)getContentPane()).getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(KeyStroke.getKeyStroke(KeyEvent.VK_EQUALS, 0), "equals");
+        ((JPanel)getContentPane()).getInputMap(JComponent.WHEN_IN_FOCUSED_WINDOW).put(KeyStroke.getKeyStroke(KeyEvent.VK_ENTER, 0), "equals");
+
+        ((JPanel)getContentPane()).getActionMap().put("0", new AbstractAction() {
+            public void actionPerformed(ActionEvent actionEvent) {
+                addNum(0);
+            }
+        });
+        ((JPanel)getContentPane()).getActionMap().put("1", new AbstractAction() {
+            public void actionPerformed(ActionEvent actionEvent) {
+                addNum(1);
+            }
+        });
+        ((JPanel)getContentPane()).getActionMap().put("2", new AbstractAction() {
+            public void actionPerformed(ActionEvent actionEvent) {
+                addNum(2);
+            }
+        });
+        ((JPanel)getContentPane()).getActionMap().put("3", new AbstractAction() {
+            public void actionPerformed(ActionEvent actionEvent) {
+                addNum(3);
+            }
+        });
+        ((JPanel)getContentPane()).getActionMap().put("4", new AbstractAction() {
+            public void actionPerformed(ActionEvent actionEvent) {
+                addNum(4);
+            }
+        });
+        ((JPanel)getContentPane()).getActionMap().put("5", new AbstractAction() {
+            public void actionPerformed(ActionEvent actionEvent) {
+                addNum(5);
+            }
+        });
+        ((JPanel)getContentPane()).getActionMap().put("6", new AbstractAction() {
+            public void actionPerformed(ActionEvent actionEvent) {
+                addNum(6);
+            }
+        });
+        ((JPanel)getContentPane()).getActionMap().put("7", new AbstractAction() {
+            public void actionPerformed(ActionEvent actionEvent) {
+                addNum(7);
+            }
+        });
+        ((JPanel)getContentPane()).getActionMap().put("8", new AbstractAction() {
+            public void actionPerformed(ActionEvent actionEvent) {
+                addNum(8);
+            }
+        });
+        ((JPanel)getContentPane()).getActionMap().put("9", new AbstractAction() {
+            public void actionPerformed(ActionEvent actionEvent) {
+                addNum(9);
+            }
+        });
+
+        ((JPanel)getContentPane()).getActionMap().put("npower", new AbstractAction() {
+            public void actionPerformed(ActionEvent actionEvent) {
+                exponent();
+            }
+        });
+        ((JPanel)getContentPane()).getActionMap().put("percent", new AbstractAction() {
+            public void actionPerformed(ActionEvent actionEvent) {
+                percentage();
+            }
+        });
+        ((JPanel)getContentPane()).getActionMap().put("div", new AbstractAction() {
+            public void actionPerformed(ActionEvent actionEvent) {
+                divide();
+            }
+        });
+        ((JPanel)getContentPane()).getActionMap().put("mult", new AbstractAction() {
+            public void actionPerformed(ActionEvent actionEvent) {
+                multiply();
+            }
+        });
+        ((JPanel)getContentPane()).getActionMap().put("sub", new AbstractAction() {
+            public void actionPerformed(ActionEvent actionEvent) {
+                subtract();
+            }
+        });
+        ((JPanel)getContentPane()).getActionMap().put("add", new AbstractAction() {
+            public void actionPerformed(ActionEvent actionEvent) {
+                addition();
+            }
+        });
+        ((JPanel)getContentPane()).getActionMap().put("dot", new AbstractAction() {
+            public void actionPerformed(ActionEvent actionEvent) {
+                if (!field.getText().contains(".")) dotQueued = true;
+            }
+        });
+        ((JPanel)getContentPane()).getActionMap().put("equals", new AbstractAction() {
+            public void actionPerformed(ActionEvent actionEvent) {
+                doEquals();
+                newEq = true;
+            }
+        });
+
+        setUIFont(new javax.swing.plaf.FontUIResource("SansSerif",Font.PLAIN,32));
+        try {
+            UIManager.setLookAndFeel("com.sun.java.swing.plaf.windows.WindowsClassicLookAndFeel");
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        initComponents();
+
+        powerPressed = false;
+        divPressed = false;
+        multPressed = false;
+        subPressed = false;
+        addPressed = false;
+        cleared = false;
+        dotQueued = false;
+        newEq = false;
+    }
+
+    private void initComponents() {
+        setLayout(new BoxLayout(getContentPane(), BoxLayout.PAGE_AXIS));
+        fieldPanel = new JPanel();
+        buttonsPanel = new JPanel(new GridLayout(6, 4));
+
+        field = new JTextField() {
+            public Dimension getPreferredSize() {
+                return new Dimension(buttonsPanel.getWidth() - 6, 50);
+            };
+        };
+        field.setEditable(false);
+        field.setBackground(Color.WHITE);
+        field.setText("0");
+        field.setHorizontalAlignment(SwingConstants.RIGHT);
+
+        sqrt = new JButton(new ImageIcon(new ImageIcon("sqrt.png").getImage().getScaledInstance(32, 32, Image.SCALE_SMOOTH)));
+        sqrt.setBackground(Color.LIGHT_GRAY);
+        sqrt.addActionListener(new ActionListener() {
+
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                field.setText(String.valueOf(Math.sqrt(Double.parseDouble(field.getText()))));
+            }
+        });
+
+        square = new JButton(new ImageIcon(new ImageIcon("squared.png").getImage().getScaledInstance(32, 32, Image.SCALE_SMOOTH)));
+        square.setBackground(Color.LIGHT_GRAY);
+        square.addActionListener(new ActionListener() {
+
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                field.setText(String.valueOf(Math.pow(Double.parseDouble(field.getText()), 2)));
+                if (Double.parseDouble(field.getText()) == Math.round(Double.parseDouble(field.getText()))) field.setText(String.valueOf(Math.round(Double.parseDouble(field.getText()))));
+            }
+        });
+        npower = new JButton(new ImageIcon(new ImageIcon("npower.png").getImage().getScaledInstance(32, 32, Image.SCALE_SMOOTH)));
+        npower.setBackground(Color.LIGHT_GRAY);
+        npower.addActionListener(new ActionListener() {
+
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                exponent();
+            }
+        });
+        recip = new JButton(new ImageIcon(new ImageIcon("inverse.png").getImage().getScaledInstance(32, 32, Image.SCALE_SMOOTH)));
+        recip.setBackground(Color.LIGHT_GRAY);
+        recip.addActionListener(new ActionListener() {
+
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                field.setText(String.valueOf(Math.pow(Double.parseDouble(field.getText()), -1)));
+                if (Double.parseDouble(field.getText()) == Math.round(Double.parseDouble(field.getText()))) field.setText(String.valueOf(Math.round(Double.parseDouble(field.getText()))));
+            }
+        });
+        clearAll = new JButton("C");
+        clearAll.setBackground(Color.RED);
+        clearAll.setForeground(Color.WHITE);
+        clearAll.addActionListener(new ActionListener() {
+
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                field.setText("0");
+                npower.setBackground(Color.LIGHT_GRAY);
+                div.setBackground(Color.LIGHT_GRAY);
+                mult.setBackground(Color.LIGHT_GRAY);
+                sub.setBackground(Color.LIGHT_GRAY);
+                add.setBackground(Color.LIGHT_GRAY);
+                powerPressed = false;
+                divPressed = false;
+                multPressed = false;
+                subPressed = false;
+                addPressed = false;
+                cleared = false;
+            }
+        });
+        bckSpc = new JButton(new ImageIcon(new ImageIcon("back.png").getImage().getScaledInstance(32, 32, Image.SCALE_SMOOTH)));
+        bckSpc.setBackground(Color.PINK);
+        bckSpc.addActionListener(new ActionListener() {
+
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                if (field.getText() != null && field.getText().length() > 0) {
+                    field.setText(field.getText().substring(0, field.getText().length() - 1));
+                }
+                if (field.getText().trim().length() == 0) field.setText("0");
+            }
+        });
+        percent = new JButton("%");
+        percent.setBackground(Color.LIGHT_GRAY);
+        percent.addActionListener(new ActionListener() {
+
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                percentage();
+            }
+        });
+        div = new JButton(new ImageIcon(new ImageIcon("div.png").getImage().getScaledInstance(32, 32, Image.SCALE_SMOOTH)));
+        div.setBackground(Color.LIGHT_GRAY);
+        div.addActionListener(new ActionListener() {
+
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                doEquals();
+                storedVal = Double.parseDouble(field.getText());
+                div.setBackground(Color.GRAY);
+                divPressed = true;
+            }
+        });
+        but7 = new JButton("7");
+        but7.addActionListener(new ActionListener() {
+
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                addNum(7);
+            }
+        });
+        but8 = new JButton("8");
+        but8.addActionListener(new ActionListener() {
+
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                addNum(8);
+            }
+        });
+        but9 = new JButton("9");
+        but9.addActionListener(new ActionListener() {
+
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                addNum(9);
+            }
+        });
+        mult = new JButton(new ImageIcon(new ImageIcon("mult.png").getImage().getScaledInstance(32, 32, Image.SCALE_SMOOTH)));
+        mult.setBackground(Color.LIGHT_GRAY);
+        mult.addActionListener(new ActionListener() {
+
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                doEquals();
+                storedVal = Double.parseDouble(field.getText());
+                mult.setBackground(Color.GRAY);
+                multPressed = true;
+            }
+        });
+        but4 = new JButton("4");
+        but4.addActionListener(new ActionListener() {
+
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                addNum(4);
+            }
+        });
+        but5 = new JButton("5");
+        but5.addActionListener(new ActionListener() {
+
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                addNum(5);
+            }
+        });
+        but6 = new JButton("6");
+        but6.addActionListener(new ActionListener() {
+
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                addNum(6);
+            }
+        });
+        sub = new JButton("-");
+        sub.setBackground(Color.LIGHT_GRAY);
+        sub.addActionListener(new ActionListener() {
+
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                subtract();
+            }
+        });
+        but1 = new JButton("1");
+        but1.addActionListener(new ActionListener() {
+
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                addNum(1);
+            }
+        });
+        but2 = new JButton("2");
+        but2.addActionListener(new ActionListener() {
+
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                addNum(2);
+            }
+        });
+        but3 = new JButton("3");
+        but3.addActionListener(new ActionListener() {
+
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                addNum(3);
+            }
+        });
+        add = new JButton("+");
+        add.setBackground(Color.LIGHT_GRAY);
+        add.addActionListener(new ActionListener() {
+
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                addition();
+            }
+        });
+        sign = new JButton(new ImageIcon(new ImageIcon("sign.png").getImage().getScaledInstance(32, 32, Image.SCALE_SMOOTH)));
+        sign.setBackground(Color.LIGHT_GRAY);
+        sign.addActionListener(new ActionListener() {
+
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                if (!field.getText().equals("0")) {
+                    if (field.getText().charAt(0) == '-') field.setText(field.getText().substring(1));
+                    else field.setText("-" + field.getText());
+                }
+            }
+        });
+        but0 = new JButton("0");
+        but0.addActionListener(new ActionListener() {
+
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                addNum(0);
+            }
+        });
+        pnt = new JButton(".");
+        pnt.setBackground(Color.LIGHT_GRAY);
+        pnt.addActionListener(new ActionListener() {
+
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                if (!field.getText().contains(".")) dotQueued = true;
+            }
+        });
+        equals = new JButton("=");
+        equals.setBackground(Color.ORANGE);
+        equals.addActionListener(new ActionListener() {
+
+            @Override
+            public void actionPerformed(ActionEvent e) {
+                doEquals();
+                newEq = true;
+            }
+        });
+
+        fieldPanel.add(field);
+
+        buttonsPanel.add(sqrt);
+        buttonsPanel.add(square);
+        buttonsPanel.add(npower);
+        buttonsPanel.add(recip);
+        buttonsPanel.add(clearAll);
+        buttonsPanel.add(bckSpc);
+        buttonsPanel.add(percent);
+        buttonsPanel.add(div);
+        buttonsPanel.add(but7);
+        buttonsPanel.add(but8);
+        buttonsPanel.add(but9);
+        buttonsPanel.add(mult);
+        buttonsPanel.add(but4);
+        buttonsPanel.add(but5);
+        buttonsPanel.add(but6);
+        buttonsPanel.add(sub);
+        buttonsPanel.add(but1);
+        buttonsPanel.add(but2);
+        buttonsPanel.add(but3);
+        buttonsPanel.add(add);
+        buttonsPanel.add(sign);
+        buttonsPanel.add(but0);
+        buttonsPanel.add(pnt);
+        buttonsPanel.add(equals);
+
+        add(fieldPanel);
+        add(buttonsPanel);
+
+        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);  // Exit when close button clicked
+        pack();
+        setVisible(true);
+    }
+
+    private void setUIFont (javax.swing.plaf.FontUIResource f) {
+        java.util.Enumeration keys = UIManager.getDefaults().keys();
+        while (keys.hasMoreElements()) {
+            Object key = keys.nextElement();
+            Object value = UIManager.get (key);
+            if (value instanceof javax.swing.plaf.FontUIResource) UIManager.put(key, f);
+        }
+    }
+
+    private void addNum(int num) {
+        if (newEq) {
+            field.setText("");
+            newEq = false;
+        }
+
+        if (dotQueued) {
+            field.setText(field.getText() + ".");
+            dotQueued = false;
+        }
+        if (powerPressed || divPressed || multPressed || subPressed || addPressed) {
+            if (!cleared) {
+                field.setText(String.valueOf(num));
+                cleared = true;
+            } else {
+                if (field.getText().equals("0")) field.setText(String.valueOf(num));
+                else field.setText(field.getText() + num);
+            }
+        } else {
+            if (field.getText().equals("0")) field.setText(String.valueOf(num));
+            else field.setText(field.getText() + num);
+        }
+    }
+
+    private void doEquals() {
+        if (powerPressed) {
+            field.setText(String.valueOf(Math.pow(storedVal, Double.parseDouble(field.getText()))));
+            npower.setBackground(Color.LIGHT_GRAY);
+            powerPressed = false;
+        } else if (divPressed) {
+            field.setText(String.valueOf(storedVal / Double.parseDouble(field.getText())));
+            div.setBackground(Color.LIGHT_GRAY);
+            divPressed = false;
+        } else if (multPressed) {
+            field.setText(String.valueOf(storedVal * Double.parseDouble(field.getText())));
+            mult.setBackground(Color.LIGHT_GRAY);
+            multPressed = false;
+        } else if (subPressed) {
+            field.setText(String.valueOf(storedVal - Double.parseDouble(field.getText())));
+            sub.setBackground(Color.LIGHT_GRAY);
+            subPressed = false;
+        } else if (addPressed) {
+            field.setText(String.valueOf(storedVal + Double.parseDouble(field.getText())));
+            add.setBackground(Color.LIGHT_GRAY);
+            addPressed = false;
+        }
+
+        cleared = false;
+        if (Double.parseDouble(field.getText()) == Math.round(Double.parseDouble(field.getText()))) field.setText(String.valueOf(Math.round(Double.parseDouble(field.getText()))));
+    }
+
+    private void exponent() {
+        doEquals();
+        storedVal = Double.parseDouble(field.getText());
+        npower.setBackground(Color.GRAY);
+        powerPressed = true;
+    }
+
+    private void percentage() {
+        field.setText(String.valueOf(Double.parseDouble(field.getText())/100));
+        if (Double.parseDouble(field.getText()) == Math.round(Double.parseDouble(field.getText()))) field.setText(String.valueOf(Math.round(Double.parseDouble(field.getText()))));
+    }
+
+    private void divide() {
+        doEquals();
+        storedVal = Double.parseDouble(field.getText());
+        div.setBackground(Color.GRAY);
+        divPressed = true;
+    }
+
+    private void multiply() {
+        doEquals();
+        storedVal = Double.parseDouble(field.getText());
+        mult.setBackground(Color.GRAY);
+        multPressed = true;
+    }
+
+    private void subtract() {
+        doEquals();
+        storedVal = Double.parseDouble(field.getText());
+        sub.setBackground(Color.GRAY);
+        subPressed = true;
+    }
+
+    private void addition() {
+        doEquals();
+        storedVal = Double.parseDouble(field.getText());
+        add.setBackground(Color.GRAY);
+        addPressed = true;
+    }
+
+    /** The entry main() method */
+    public static void main(String[] args) {
+      // Run GUI codes in the Event-Dispatching thread for thread safety
+        SwingUtilities.invokeLater(new Runnable() {
+            public void run() {
+                new Gui("Calculator");
+            }
+        });
+    }
+}
\ No newline at end of file
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diff --git a/compilerRunner.bat b/compilerRunner.bat
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--- /dev/null
+++ b/compilerRunner.bat
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+javac *.java
+IF EXIST Calc.jar DEL /F Calc.jar
+jar cfm Calc.jar manifest.txt *.class
+echo off
+DEL /F *.class
+DEL /F *.ctxt
+cls
+java -jar Calc.jar
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+Main-Class: Gui
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