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48 lines
749 B
48 lines
749 B
5 years ago
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package sxv;
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import java.util.*;
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import java.io.*;
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public class test {
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public static void main(String[] args) {
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// TODO 自动生成的方法存根
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String a;
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double f,y,h,p,re;
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String q="log";
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String j="/";
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String k="^";
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String l="*";
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System.out.println("符号");
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Scanner D=new Scanner(System.in);
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a=D.next();
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System.out.println("数1");
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Scanner t=new Scanner(System.in);
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f=t.nextDouble();
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System.out.println("数2");
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Scanner o=new Scanner(System.in);
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p=o.nextDouble();
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if (a.equals(q))
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{
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ds z=new ds();
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re=z.d(f, p);
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}
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else if(a.equals(j))
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{
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chu chuu=new chu();
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re=chuu.ch(f, p);
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}
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else if(a.equals(k))
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{
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mi mii =new mi();
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re=mii.m(f, p);
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}
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else
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{
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chen chenn=new chen();
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re=chenn.che(f, p);
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}
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System.out.println("="+re);
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}
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}
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