// Show some of the many mathematical functions available with math.h
#include <iostream.h> 
#include <math.h>      // for pow, sin, sqrt, fabs, ceil, floor

int main() 
{
  cout << "1. Function Call   Return Result" << endl << endl
       << "   pow(2, 31)      "  <<  pow(2, 31)      << endl
       << "pow(4.0, 2.5)      "  <<  pow(4.0, 2.5)   << endl
       << "    sqrt(2.0)      "  <<  sqrt(2.0)       << endl
       << "     sin(1.0)      "  <<  sin(1.0)        << endl;

  double x = -3.75;
 
  cout << "      fabs(x)      "  <<  fabs(x)         << endl
       << "      ceil(x)      "  <<  ceil(x)         << endl
       << "     floor(x)      "  <<  floor(x)        << endl;

  return 0;
}