Uses I/O manipulators to display the table of squares and square roots. : cout setw setprecision « Console « C++

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C++ » Console » cout setw setprecision 




Uses I/O manipulators to display the table of squares and square roots.


#include <iostream>
#include <iomanip>
#include <cmath>
using namespace std;

int main()
{
  double x;

  cout << setprecision(4);
  cout << "      x   sqrt(x)     x^2\n\n";

  for(x = 2.0; x <= 20.0; x++) {
    cout << setw(7<< x << "  ";
    cout << setw(7<< sqrt(x<< "  ";
    cout << setw(7<< x*x << '\n';
  }
 
  return 0;
}



           
       














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3.Enters a character and outputs its octal, decimal, and hexadecimal code.
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