# C++ Program to do Addition,subtraction and multiplication of two numbers using function

#include<iostream.h>
#include<conio.h>

int res;
void main()
{
clrscr();
int sum(int,int);
int sub(int,int);
int mul(int,int);
int a,b,m,su,s;
cout<<“Enter two numbers:”;
cin>>a>>b;

s=sum(a,b);
su=sub(a,b);
m=mul(a,b);
cout<<“Sum:”<<s<<“nSubtraction:”<<su<<“nMultiplication:”<<m;
getch();
}

sum(int a,int b)
{
res=a+b;
return(res);
}

sub(int a,int b)
{
res=a-b;
return(res);
}

mul(int a,int b)
{
res=a*b;
return(res);
}

### 4 thoughts on “C++ Program to do Addition,subtraction and multiplication of two numbers using function”

1. is it okay ?
#include
using namespace std;
void sub();
int main(){
sub();

}
{
int a,b;
cout<>a>>b;
cout<<a+b;

}
void sub()
{
int a,b;
cout<>a>>b;
cout<<a-b;
}

2. Write a C++ program to perform following arithmetic operations using functions(pass
by reference):
1. Twice() // multiplying by two
2. Divide() //divide the argument value by 3
3. Calculate() // perform following calculations
x= 5x + 7
y= 2x – 3
z= 5x + 2x
Plz help me with this program