master
韩佳杰
4 years ago
parent
0ebaba733a
commit
a233a00cba
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<?xml version="1.0" encoding="UTF-8"?>
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<classpath>
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<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-12">
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<attributes>
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<attribute name="module" value="true"/>
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</attributes>
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</classpathentry>
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<classpathentry kind="src" path="src"/>
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<classpathentry kind="output" path="bin"/>
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</classpath>
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<?xml version="1.0" encoding="UTF-8"?>
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<projectDescription>
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<name>计算器窗体</name>
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<comment></comment>
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<projects>
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</projects>
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<buildSpec>
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<buildCommand>
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<name>org.eclipse.jdt.core.javabuilder</name>
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<arguments>
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</arguments>
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</buildCommand>
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</buildSpec>
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<natures>
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<nature>org.eclipse.jdt.core.javanature</nature>
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</natures>
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</projectDescription>
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eclipse.preferences.version=1
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org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
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org.eclipse.jdt.core.compiler.codegen.targetPlatform=12
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org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
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org.eclipse.jdt.core.compiler.compliance=12
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org.eclipse.jdt.core.compiler.debug.lineNumber=generate
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org.eclipse.jdt.core.compiler.debug.localVariable=generate
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org.eclipse.jdt.core.compiler.debug.sourceFile=generate
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org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
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org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
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org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
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org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=warning
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org.eclipse.jdt.core.compiler.release=enabled
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org.eclipse.jdt.core.compiler.source=12
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public class Calculate {
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public String st;
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public double CL(String st) {
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Call call = new Call();
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char[] cs = st.toCharArray();
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int a = cs.length;
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System.out.println(a);
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double Temp = 0;
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if(cs[0] == 'e') {
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return call.e(cs[1]);
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}
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else if(cs[0] == 'l') {
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return call.log(cs[1], cs[2]);
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}
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else if(cs[0] == 's' || cs[0] == 't' || cs[0] == 'c') {
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for(int i=a-1;i>=3;i--) {
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String s = String.valueOf(cs[i]);
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int b = Integer.parseInt(s);
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Temp = Temp + Math.pow(10,a-1-i)*b;
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}
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System.out.print(Temp);
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return call.Trigonometric_Functions(cs[0], Temp);
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}
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else {
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int num1 = Integer.parseInt(String.valueOf(cs[0]));
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int num2 = Integer.parseInt(String.valueOf(cs[2]));
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return call.jjcc(num1, num2, cs[1]);
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}
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}
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}
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import java.awt.*;
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import java.awt.event.*;
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import javax.swing.*;
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public class Calculater extends JFrame implements ActionListener {
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private JPanel jPanel;
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private JPanel jPanel1;
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private Button button[] = new Button[24];
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private TextField TF;
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private String st = "";
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private JScrollPane jscrollPane;
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private JLabel label;
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public void Define() {
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JFrame jFrame = new JFrame("¼ÆËãÆ÷");
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Container pane = jFrame.getContentPane();
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this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
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jPanel = new JPanel(new GridLayout(6,4,5,5));
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jPanel1 = new JPanel(new GridLayout(2,1,5,5));
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TF = new TextField(st);
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button[0] = new Button("sin");
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button[0].addActionListener(this);
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button[1] = new Button("cos");
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button[1].addActionListener(this);
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button[2] = new Button("tan");
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button[2].addActionListener(this);
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button[3] = new Button("e^x");
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button[3].addActionListener(this);
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button[4] = new Button("c");
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button[4].addActionListener(this);
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button[5] = new Button("¡Â");
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button[5].addActionListener(this);
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button[6] = new Button("¡Á");
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button[6].addActionListener(this);
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button[7] = new Button("<-");
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button[7].addActionListener(this);
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button[8] = new Button("7");
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button[8].addActionListener(this);
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button[9] = new Button("8");
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button[9].addActionListener(this);
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button[10] = new Button("9");
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button[10].addActionListener(this);
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button[11] = new Button("-");
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button[11].addActionListener(this);
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button[12] = new Button("4");
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button[12].addActionListener(this);
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button[13] = new Button("5");
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button[13].addActionListener(this);
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button[14] = new Button("6");
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button[14].addActionListener(this);
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button[15] = new Button("+");
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button[15].addActionListener(this);
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button[16] = new Button("1");
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button[16].addActionListener(this);
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button[17] = new Button("2");
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button[17].addActionListener(this);
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button[18] = new Button("3");
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button[18].addActionListener(this);
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button[19] = new Button("log");
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button[19].addActionListener(this);
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button[20] = new Button("%");
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button[20].addActionListener(this);
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button[21] = new Button("0");
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button[21].addActionListener(this);
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button[22] = new Button(".");
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button[22].addActionListener(this);
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button[23] = new Button("=");
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button[23].addActionListener(this);
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jPanel.add(button[0]);
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jPanel.add(button[1]);
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jPanel.add(button[2]);
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jPanel.add(button[3]);
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jPanel.add(button[4]);
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jPanel.add(button[5]);
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jPanel.add(button[6]);
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jPanel.add(button[7]);
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jPanel.add(button[8]);
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jPanel.add(button[9]);
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jPanel.add(button[10]);
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jPanel.add(button[11]);
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jPanel.add(button[12]);
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jPanel.add(button[13]);
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jPanel.add(button[14]);
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jPanel.add(button[15]);
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jPanel.add(button[16]);
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jPanel.add(button[17]);
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jPanel.add(button[18]);
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jPanel.add(button[19]);
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jPanel.add(button[20]);
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jPanel.add(button[21]);
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jPanel.add(button[22]);
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jPanel.add(button[23]);
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jPanel1.add(TF);
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jPanel1.add(jPanel);
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jscrollPane = new JScrollPane(label,ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS,ScrollPaneConstants.HORIZONTAL_SCROLLBAR_ALWAYS);
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pane.add(jPanel1,BorderLayout.WEST);
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pane.add(jscrollPane,BorderLayout.EAST);
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jFrame.pack();
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jFrame.setVisible(true);
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}
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@Override
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public void actionPerformed(ActionEvent e) {
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// TODO Auto-generated method stub
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if(e.getActionCommand() == "0") {
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st = st + "0";
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this.TF.setText(st);
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}
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if(e.getActionCommand() == "1") {
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st = st + "1";
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this.TF.setText(st);
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}
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if(e.getActionCommand() == "2") {
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st = st + "2";
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this.TF.setText(st);
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}
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if(e.getActionCommand() == "3") {
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st = st + "3";
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this.TF.setText(st);
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}
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if(e.getActionCommand() == "4") {
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st = st + "4";
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this.TF.setText(st);
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}
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if(e.getActionCommand() == "5") {
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st = st + "5";
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this.TF.setText(st);
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}
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if(e.getActionCommand() == "6") {
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st = st + "6";
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this.TF.setText(st);
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}
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if(e.getActionCommand() == "7") {
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st = st + "7";
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this.TF.setText(st);
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}
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if(e.getActionCommand() == "8") {
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st = st + "8";
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this.TF.setText(st);
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}
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if(e.getActionCommand() == "9") {
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st = st + "9";
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this.TF.setText(st);
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}
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if(e.getActionCommand() == ".") {
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st = st + ".";
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this.TF.setText(st);
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}
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if(e.getActionCommand() == "+") {
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st = st + "+";
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this.TF.setText(st);
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}
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if(e.getActionCommand() == "-") {
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st = st + "-";
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this.TF.setText(st);
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}
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if(e.getActionCommand() == "¡Á") {
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st = st + "¡Á";
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this.TF.setText(st);
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}
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if(e.getActionCommand() == "¡Â") {
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st = st + "¡Â";
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this.TF.setText(st);
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}
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if(e.getActionCommand() == "sin") {
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st = st + "sin";
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this.TF.setText(st);
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}
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if(e.getActionCommand() == "cos") {
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st = st + "cos";
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this.TF.setText(st);
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}
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if(e.getActionCommand() == "tan") {
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st = st + "tan";
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this.TF.setText(st);
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}
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if(e.getActionCommand() == "%") {
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st = st + "%";
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this.TF.setText(st);
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}
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if(e.getActionCommand() == "e^x") {
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st = st + "e^";
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this.TF.setText(st);
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}
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if(e.getActionCommand() == "log") {
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st = st + "log";
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this.TF.setText(st);
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}
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if(e.getActionCommand() == "c") {
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st = "";
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this.TF.setText(st);
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}
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if(e.getActionCommand() == "=") {
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Calculate CA = new Calculate();
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double a = CA.CL(st);
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st = String.valueOf((int)a);
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this.TF.setText(st);
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}
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}
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public static void main(String arg[]) {
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Calculater A = new Calculater();
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A.Define();
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}
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}
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@ -0,0 +1,41 @@
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public class Call {
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static double jjcc(int a, int b,char chose) {
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switch(chose) {
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case '+':
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return a+b;
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case '-':
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return a-b;
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case '¡Á':
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return a*b;
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case '¡Â':
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return a/b;
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}
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return 0;
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}
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static double e(int x) {
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double e=Math.E;
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double result;
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result=Math.pow(e,x);
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return result;
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}
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static double log(int a, int x) {
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return Math.log(x)/Math.log(a);
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}
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static double Trigonometric_Functions(char chose,double Value) {
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double a = Math.toRadians(Value);
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switch(chose) {
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case 's':
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return Math.sin(a);
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case 'c':
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return Math.cos(a);
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case 't':
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return Math.tan(a);
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}
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return 0;
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}
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}
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