/* Filename:  roots2.cpp

   Author:  Br. David Carlson
            Br. Isidore Minerd

   Date:  January 4, 2000

   Modified:  June 26, 2000; August 19, 2001; July 16, 2009

   This program prints a table of square roots for the numbers 1, 2,
   3, ... 100, pausing after every 20 lines until the user presses ENTER.

   Tested with:
      Microsoft Visual Studio 2005
      Microsoft Visual Studio 2008
      g++ under Linux
*/

#include <iostream>
#include <iomanip>  // Needed for setw, setprecision, and setiosflags.
#include <cmath>    // Needed in order to use sqrt function.
using namespace std;

const int Max = 100;
const int Pause = 20;


int main(void)
   {
   int k;

   cout << "Number:   Square root:" << endl;
   for (k = 1; k <= Max; k++)
      {
      cout << setw(10) << k << setiosflags(ios::showpoint) << setw(10)
         << setprecision(5) << sqrt(static_cast<double>(k)) << endl;

      if ((k % Pause == 0) && (k != Max))
         {
         cout << "Press ENTER to continue";
         cin.get();
         cout << "Number:   Square root:" << endl;
         }
      }

   return 0;
   }