calc.cpp

使用java语言实现的基本数学计算器实现

#include<iostream>
#include"fraction.h"


void main(){
 using namespace std;
 fraction m,n;
 int a=0;
 int t=0;
 cout<<"The program has fourarithmetic operations:"<<endl;
 cout<<"Input 1 for add"<<endl;
 cout<<"Input 2 for subtract"<<endl;
 cout<<"Input 3 for multiply"<<endl;
 cout<<"Input 4 for divide "<<endl;
 
 do{
 cout<<"Plese input the frist fraction's numerator!"<<endl;
 cin>>m.num;
 cout<<"Plese input the frist fraction's denominator!(0 to quit)"<<endl;
 cin>>m.denom;
 cout<<"Plese input the second fraction's numerator!(0 to quit)"<<endl;
 cin>>n.num;
 cout<<"Plese input the second fraction's denominator!(0 to quit)"<<endl;
 cin>>n.denom;
 cout<<"Plese input the operator!(0 to quit)"<<endl;
 cin>>a;
 switch(a){
	 case 1: show(add(m,n));
		 break;
	 case 2: show(subtract(m,n));
		  break;
     case 3: show(multiply(m,n));
		  break;
     case 4: show(divide(m,n));
		  break;
	 default:break;

 }

 cout<<"Would your like to begin?Input 0 to quit,input other to continue."<<endl;
 cin>>t;
 }while(t);
}