Square Root and Absolute Value in C++

A square root and absolute value in C++ program that I wrote a long time ago in my programming class in college. The code is very easy to understand and learn for beginners that are new in C++ programming.

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Program Listing

#include <iostream>

#include <math.h>

using namespace std;

class square_root {

    public:

    int value;

};

main() {

     square_root number;

      cout << "\t\t Square Root and Absolute Value Solver 1.0 ";

      cout << "\n\n";

      cout << "Enter A Number : ";

      cin >> number.value;

      cout << "\n\n";

      cout << "The Square Root Value of "

           << number.value << " is " << sqrt(number.value) << ".";

      cout << "\n";

      cout << "The Absolute Value of "

           << -number.value << " is " << abs(number.value) << ".";

      cout << "\n\n";

      system("pause");

}