CPP
cpp
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#include <iostream>
using namespace std;
class calculator{
double num1, num2;
public :
calculator (double n1, double n2){
num1 =n1;
num2 = n2;
}
void input( double n1, double n2){
num1 =n1;
num2 =n2;
}
double add(){
return num1 + num2 ;
}
double sub(){
return num1 - num2 ;
}
double mult(){
return num1 * num2 ;
}
double div(){
return num1/num2;
}
};
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