ماشین حساب ساده

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#include<conio.h> #include<iostream.h> main() { int num1 , num2 ; char op ; while(1) { cout<<"type number,operator,number"<<endl; cin>>num1>>op>>num2; switch(op) { case '+': cout<<"plural is "<<num1+num2<<endl; break ; case '-': cout<<"subtract is "<<num1-num2<<endl; break ; case '*': case 'x': cout<<"multiple is "<<num1*num2<<endl; break ; case '/': case '\\': cout<<"division is "<<num1/num2<<endl; break ; default: cout<<"operator is illegal"<<endl; } } }