#include<iostream.h>

#include<conio.h>

class complex

{

float real;

float imag;

public:

void getnum();

void putnum();

void sum(complex,complex);

void dif(complex,complex);

};

void complex::getnum()

{

cout<<"\nEnter the real part : ";

cin>>real;

cout<<"\nEnter the imaginary part : ";

cin>>imag;

}

void complex::putnum()

{

cout<<real;

if(imag<0)

cout<<imag<<"i\n";

else

cout<<"+"<<imag<<"i\n";

}

void complex::sum(complex a,complex b)

{

real=a.real+b.real;

imag=a.imag+b.imag;

}

void complex::dif(complex a,complex b)

{

real=a.real-b.real;

imag=a.imag-b.imag;

}

int main()

{

complex c1,c2,c3,c4;

cout<<"\nEnter first complex number\n";

c1.getnum();

cout<<"\nEnter second complex number\n";

c2.getnum();

//Sum of two inputted numbers

c3.sum(c1,c2);

cout<<"\nThe Sum is : ";

c3.putnum();

//Difference of two inputted numbers

c4.dif(c1,c2);

cout<<"\nThe Difference is : ";

c4.putnum();

Enter first complex number

Enter the real part : 4

Enter the imaginary part : 5

Enter second complex number

Enter the real part : 3

Enter the imaginary part : 6

The Sum is : 7+11i

The Difference is : 1-1i

#include<conio.h>

class complex

{

float real;

float imag;

public:

void getnum();

void putnum();

void sum(complex,complex);

void dif(complex,complex);

};

void complex::getnum()

{

cout<<"\nEnter the real part : ";

cin>>real;

cout<<"\nEnter the imaginary part : ";

cin>>imag;

}

void complex::putnum()

{

cout<<real;

if(imag<0)

cout<<imag<<"i\n";

else

cout<<"+"<<imag<<"i\n";

}

void complex::sum(complex a,complex b)

{

real=a.real+b.real;

imag=a.imag+b.imag;

}

void complex::dif(complex a,complex b)

{

real=a.real-b.real;

imag=a.imag-b.imag;

}

int main()

{

complex c1,c2,c3,c4;

cout<<"\nEnter first complex number\n";

c1.getnum();

cout<<"\nEnter second complex number\n";

c2.getnum();

//Sum of two inputted numbers

c3.sum(c1,c2);

cout<<"\nThe Sum is : ";

c3.putnum();

//Difference of two inputted numbers

c4.dif(c1,c2);

cout<<"\nThe Difference is : ";

c4.putnum();

__Output:__Enter first complex number

Enter the real part : 4

Enter the imaginary part : 5

Enter second complex number

Enter the real part : 3

Enter the imaginary part : 6

The Sum is : 7+11i

The Difference is : 1-1i