diff --git a/src/java2022spring/Jisuanqi.java b/src/java2022spring/Jisuanqi.java
new file mode 100644
index 0000000000000000000000000000000000000000..36bd45ad4d0b56d19852a640e9fb3e5d75dc0ced
--- /dev/null
+++ b/src/java2022spring/Jisuanqi.java
@@ -0,0 +1,268 @@
+package java2022spring;
+import java.awt.*;
+import javax.swing.*;
+import java.awt.event.*;
+public class Jisuanqi extends JFrame implements ActionListener {
+	JFrame ser =null;
+	JButton daoshu,add,reduce,multiply,chu,dian,qingkong,dengyu,pingfan,baifenhao,yi,er,san,si,
+	wu,liu,qi,ba,jiu,ling,qinglin,fou,fanhui,diergedengyug,kaigeng,duishu,zhengxainzhi,yuxain,MAXX,yuanzhoulv;
+	JTextField text =null;
+	JButton shuzu[]=new JButton[10];
+	JPanel buju1=null;
+	JPanel buju2=null;
+	JPanel buju3=null;
+
+	//控制面板的设置
+	public void sever() {
+		ser=new JFrame("计算器");//设置标题
+	    text =new JTextField();//设置文本框
+		buju1=new JPanel();
+		buju2=new JPanel();//面板分2块区域
+		ser.setLayout(new FlowLayout());//采用居中对齐布局
+		ser.setResizable(false);//不允许改变窗口大小
+		ser.add(text);
+		ser.setVisible(true);//设置窗口可见
+		Font font=new Font("宋体",Font.BOLD,22);
+		text.setFont(font);//设置字体
+		buju2.setLayout(new GridLayout(6,5,12,12));//GridLayout()方法设定几行几列多长多宽
+		ser.add(buju2);
+		ser.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);//结束窗口所在的应用程序
+		ser.setSize(450,320);
+		ser.setLocation(300,200);
+		text.setColumns(30);//设置文本框的长度大小	
+		text.setEditable(false);
+		text.setBackground(Color.WHITE);
+		text.setHorizontalAlignment(SwingConstants.RIGHT);
+		this.addface();
+	}
+	
+	//将运算符号和数字添加到容器里，再添加到面板上
+	public void addface(){
+		qinglin=new JButton("MC");
+		qinglin.addActionListener(this);
+		qinglin.setForeground(Color.BLACK);
+		buju2.add(qinglin);
+		
+		fou=new JButton("MR");
+		fou.addActionListener(this);
+		fou.setForeground(Color.BLACK);
+		buju2.add(fou);
+		
+		fanhui=new JButton("BACK");
+		fanhui.addActionListener(this);
+		fanhui.setForeground(Color.BLACK);
+		buju2.add(fanhui);
+		
+		qingkong=new JButton("C");
+		qingkong.setForeground(Color.BLUE);
+		qingkong.addActionListener(this);
+		buju2.add(qingkong);
+		
+		dengyu=new JButton("=");
+		dengyu.setForeground(Color.BLUE);
+		dengyu.addActionListener(this);
+		buju2.add(dengyu);
+		
+		yi=new JButton("1");
+		yi.addActionListener(this);
+		buju2.add(yi);
+		
+		er=new JButton("2");
+		er.addActionListener(this);
+		buju2.add(er);
+		
+		san=new JButton("3");
+		san.addActionListener(this);
+		buju2.add(san);
+		
+		add=new JButton("+");
+		add.setForeground(Color.BLUE);
+		add.addActionListener(this);
+		buju2.add(add);
+		
+		reduce=new JButton("-");
+		reduce.setForeground(Color.BLUE);
+		reduce.addActionListener(this);
+		buju2.add(reduce);
+		
+		si=new JButton("4");
+		si.addActionListener(this);
+		buju2.add(si);
+		
+		wu=new JButton("5");
+		wu.addActionListener(this);
+		buju2.add(wu);
+		
+		liu=new JButton("6");
+		liu.addActionListener(this);
+		buju2.add(liu);
+		
+		multiply=new JButton("*");
+		multiply.setForeground(Color.BLUE);
+		multiply.addActionListener(this);
+		buju2.add(multiply);
+		
+		chu=new JButton("/");
+		chu.setForeground(Color.BLUE);
+		chu.addActionListener(this);
+		buju2.add(chu);
+		
+		qi=new JButton("7");
+		qi.addActionListener(this);
+		buju2.add(qi);
+		
+		ba=new JButton("8");
+		ba.addActionListener(this);
+		buju2.add(ba);
+		
+		jiu=new JButton("9");
+		jiu.addActionListener(this);
+		buju2.add(jiu);
+		
+		baifenhao=new JButton("%");
+		baifenhao.setForeground(Color.RED);
+		baifenhao.addActionListener(this);
+	    buju2.add(baifenhao);
+	    
+	    daoshu=new JButton("1/n");
+	    daoshu.setForeground(Color.RED);
+	    daoshu.addActionListener(this);
+	    buju2.add(daoshu);
+	    
+		ling=new JButton("0");
+		ling.addActionListener(this);
+		buju2.add(ling);
+		
+		dian=new JButton(".");
+		dian.addActionListener(this);
+		buju2.add(dian);
+		
+		pingfan=new JButton("pow");
+		pingfan.setForeground(Color.RED);
+		pingfan.addActionListener(this);
+		buju2.add(pingfan);
+		
+		kaigeng=new JButton("sqrt");
+		kaigeng.setForeground(Color.RED);
+		kaigeng.addActionListener(this);
+		buju2.add(kaigeng );
+		
+		
+		
+		duishu=new JButton("log");
+		duishu.setForeground(Color.RED);
+		duishu.addActionListener(this);
+		buju2.add(duishu);
+		
+		zhengxainzhi=new JButton("sin");
+		zhengxainzhi.setForeground(Color.RED);
+		zhengxainzhi.addActionListener(this);
+		buju2.add(zhengxainzhi);
+		
+		yuxain=new JButton("cos");
+		yuxain.setForeground(Color.RED);
+		yuxain.addActionListener(this);
+		buju2.add(yuxain);
+		
+		yuanzhoulv=new JButton("Π");
+		yuanzhoulv.setForeground(Color.RED);
+		yuanzhoulv.addActionListener(this);
+		buju2.add(yuanzhoulv);
+		
+		MAXX=new JButton("MAXX");
+		MAXX.setForeground(Color.RED);
+		MAXX.addActionListener(this);
+		buju2.add(MAXX);
+		
+		diergedengyug=new JButton("==");
+		diergedengyug.setForeground(Color.RED);
+		diergedengyug.addActionListener(this);
+		buju2.add(diergedengyug);
+}
+		
+    private String first=null;
+    private String operator=null;
+    private String Operator=null;
+    private String First=null;
+
+	public void actionPerformed(ActionEvent e) {
+		String clickStr=e.getActionCommand();
+		if(".0123456789".indexOf(clickStr) !=-1) {//运行时要先按清除键，否则一开始会出现0
+			this.text.setText(text.getText()+clickStr);//把点击到的数字显示上去
+		}
+		else if(clickStr.equals("+")||clickStr.equals("-")||clickStr.equals("*")||clickStr.equals("/"))
+		{
+			operator=clickStr;
+			first=this.text.getText();//记录第一次的值
+			this.text.setText("");//清空文本框的值，显示第二次的值
+		}
+		else if(clickStr.equals("=")||clickStr.equals("MR")) {
+			Double a=Double.valueOf(first);//获得点击运算符之前的数字
+			Double b=Double.valueOf(this.text.getText());
+			Double sum=null;
+			switch(operator) {
+			case "+":
+				sum=a+b;break;
+			case "-":
+				sum=a-b;break;
+			case "*":
+				sum=a*b;break;
+			case "/":
+				if(b!=0) { sum=a/b;}
+				break;
+			}
+			this.text.setText(sum.toString());
+		}
+		
+		
+		else if(clickStr.equals("sqrt")||clickStr.equals("%")||clickStr.equals("1/n")
+				||clickStr.equals("pow")||clickStr.equals("log")||clickStr.equals("sin")
+				||clickStr.equals("cos")||clickStr.equals("MAXX")||clickStr.equals("Π"))
+					{
+						Operator=clickStr;
+						First=this.text.getText();//记录第一次的值
+						this.text.setText("");//清空文本框的值，显示第二次的值
+					}
+		else if(clickStr.equals("==")) {
+			Double c=Double.valueOf(First);//获得点击运算符之前的数字
+			Double value=null;
+			Double m=c;
+			int n=2;
+			switch(Operator) {
+			case "sqrt":
+				value=Math.sqrt(c);break;
+			case "%":
+				value=c/100;break;
+			case "1/n":
+			    value=1/c;break;
+			case "pow":
+				value=Math.pow(m,n);break;
+			case "log":
+				value=Math.log(c);break;
+			case "sin":
+				value=Math.sin(c);break;
+			case "cos":
+				value=Math.cos(c);break;
+			case "MAXX":
+				value=Math.floor(c);break;
+			case "Π":
+				value=c*Math.PI;break;
+			}
+			this.text.setText(value.toString());
+		}	
+		else if(clickStr.equals("C")||clickStr.equals("MC")) {
+			this.text.setText("");//清空文本框的值
+		}
+		else if(clickStr.equals("BACK")) {
+			first=this.text.getText();//记录第一次的值
+			int i=first.length();
+			if(i>0) {
+				first=first.substring(0, i-1);
+			}
+			text.setText(first);
+		}
+	}
+	public static void main(String args[]) {
+		new Jisuanqi().sever();
+	}		
+	}
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