Get square root using Newtons formula = The equation 𝑛𝑒𝑤𝑔𝑢𝑒𝑠𝑠=12∗(𝑜𝑙𝑑𝑔𝑢𝑒𝑠𝑠+𝑛𝑜𝑙𝑑𝑔𝑢𝑒𝑠𝑠)

SquareRoot.cpp

#include <iostream>
using namespace std;

double squareroot(double n) { /*return type int which indicates
                                that a decimal is being returned*/
      double root = n / 2;

      for (int i = 0; i < 20; i++) {
                root = (.5) * (root + (n / root));
      }

      return root;
}

int main() {
      cout << squareroot(9) << endl;
      cout << squareroot(4563) << endl;

      return 0;
}