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32 lines
1.0 KiB
32 lines
1.0 KiB
4 years ago
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package computer;
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import java.util.Scanner;
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public class compute {
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public static void main(String[] args) {
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// TODO Auto-generated method stub
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Double op1;
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Double op2;
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String op;
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Scanner sc = new Scanner(System.in);
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System.out.println("请输入第一个操作数(回车结束)");
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op1=sc.nextDouble();
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System.out.println("请输入运算符(回车结束)");
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op=sc.next();
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System.out.println("请输入第二个操作数(回车结束)");
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op2=sc.nextDouble();
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System.out.print("结果是：");
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switch(op) {
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case "+":System.out.println(coputer1(op1,op2));break;
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case "-":System.out.println(coputer1(op1,op2));break;
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case "*":System.out.println(coputer1(op1,op2));break;
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case "/":System.out.println(coputer1(op1,op2));break;
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case "^":System.out.println(function(op1,op2));break;
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case "log":System.out.println(logax(op1,op2));break;
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case "e^" :System.out.println(calcalate(op2));break;
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}
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}
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