c++ calculator program using switch case
#include<iostream>
using namespace std;
int calculator(int num1,int num2,int num3);
int main()
{
//int num1,num2,num3,choice;
int a,b,c,choice;
cout<<"enter the first number"<<endl;
cin>>a;
cout<<"enter the second number"<<endl;
cin>>b;
cout<<"************************"<<endl;
cout<<"****Make your choice****"<<endl;
cout<<"1.Addition"<<endl;
cout<<"2.Subtraction"<<endl;
cout<<"3.Multiplication"<<endl;
cout<<"4.Division"<<endl;
cout<<"************************"<<endl;
choice=calculator(a,b,c);
return 0;
}
int calculator(int num1,int num2,int num3)
{
int choice;
cin>>choice;
switch(choice)
{
case 1: cout<<"you have selected Addition"<<endl;
num3=num1+num2;
cout<<"Addition of two numbers is "<<num3<<endl;
break;
case 2: cout<<"you have selected Subtraction"<<endl;
num3=num1-num2;
cout<<"Subtraction of two numbers is "<<num3<<endl;
break;
case 3: cout<<"you have selected Multiplication"<<endl;
num3=num1*num2;
cout<<"Multiplication of two numbers is "<<num3<<endl;
break;
case 4: cout<<"You have selected Division"<<endl;
num3=num1/num2;
cout<<"Division of two numbers is "<<num3<<endl;
break;
default: cout<<"You have entered wrong choice"<<endl;
break;
}
}