Answer Posted / selvanayaki

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

class arith {
public:
void calc(int num1)

{
cout<<"\n\nSquare of a given number: " <<num1*num1 <<endl;
}

void calc(int num1, int num2 )

{
cout<<"\n\nSquare of a given number: " <<num1*num2 <<endl;
}
};


void main() //begin of main function
{
clrscr();
arith a;
a.calc(5);
a.calc(6,7);
getch();
}

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