TECHCPP CONDITIONAL [IF ELSE] LOOPING C++ Program for Mini Calculator [DEVCPP/GCC]

C++ Program for Mini Calculator [DEVCPP/GCC]

PROGRAM

//A simple program for Mini Calculator using do-while loop and conditional statements.

# include <iostream>

using namespace std;

int main()
{
int op1,op2,res=0;
char ch,con;

do
{

cout<<"\nENTER TWO NUMBERS:\n";
cin>>op1>>op2;

cout<<"ENTER OPERATOR(+,-,*,/,%):\n";
cin>>ch;

switch(ch)
{
case '+':
res=op1+op2;
break;

case '-':
res=op1-op2;
break;

case '*':
res=op1*op2;
break;

case '/':

if(!op2) // True when op2 is zero
cout<<"DIVIDE BY ZERO ERROR!!!\n";
else
res=op1/op2;

break;

case '%':

if(!op2) // True when op2 is zero
cout<<"DIVIDE BY ZERO ERROR!!!\n";
else
{
int q,r;
q=op1/op2;
r=op1-(op2*q);
res=r;
}

break;

default :
cout<<"WRONG OPERATOR\n";
}

cout<<"THE CALCULATED RESULT IS:"<<res<<"\n\n";

cout<<"DO YOU WISH TO CONTINUE:";
cin>>con;

}while(con=='Y'|| con=='y');

return 0;
}

OUTPUT