round 1
Output of program:

Please enter in a number:2
abs :  2
labs :  2
fabs :  2


round 2

Please enter in a number: -2.3
abs : 2
labs: 2.3
fabs:2.3

round 3

Please enter in a number: 900000000
abs:
labs:900000000
fabs:

int abs(int n);
long abs(long n);                    // C++ only
double abs(double n);              // C++ only
long double abs(long double n); // C++ only
float abs(float n);                   // C++ only
__int64 _abs64(__int64 n);
long labs (long n);
float fabs(float x);                  // C++ only
double fabs(double x);
long double fabs(long double x); // C++ only
float fabsf(float x);

//sqr,pow,abs
#include <iostream.h>
#include <stdlib.h>
#include <math.h>
using namespace std;

int GetCal();
int GoSquaring();
int GoPowering();
int GetAbs();

int main(int argc,char **argv)
{
  GetCal();
  system("PAUSE");
      return 0;
}

int GetCal()
{
 int choice;

   cout << "Welcome To The Multi-Calculation Program\n\n"<<
        "1.Squaring\n" <<
        "2.Find a Power\n" <<
        "3.Find an Absolute Value\n\n";

   cout << "What Calculation do you wish to perform: ";
   cin >> choice;


 switch (choice)
 {
   case 1:
        GoSquaring();
       break;
   case 2:
        GoPowering();
       break;
   case 3:
        GetAbs();
        break;

   default:
      cout << "\nThat is not an option\n";
  }
 return 0;
    }



int GoSquaring()                  //Squaring function
{

 long double x;           //variables in my squaring,power, and absolute program
 long double sqred;
 int numbs_2sqr;

 cout << "How many numbers to square? ";       //asking for the number
 cin >> numbs_2sqr;                            // of squares to calculate
 while(numbs_2sqr > 0)     //loop to produce amount of squares needed
 {
 cout<<"Enter a number to square: ";
 cin >> x;
 sqred = sqrt(x);
 cout <<"The answer is: " << sqred <<"\n";
 numbs_2sqr--;      //decrement of loop variable
 }

return 0;
 }



int GoPowering()                 //Power function
 {
   double pwit;
   double expon;
   double powed;
   int numbs_2pow;

   cout << "How many numbers should you power? ";
   cin >> numbs_2pow;
   while(numbs_2pow > 0)  //loop to produce amount of pows needed
   {
   cout << "Enter number to power: ";
   cin >> pwit;
   cout << "Enter power: ";
   cin  >> expon;
   powed = pow(pwit,expon);
   cout << "The answer is: " << powed << "\n" ;
   numbs_2pow--;
   }
return 0;
}




int GetAbs()               //Absolute Value function
{
 int x;
 int absed;
 int numbs_2abs;

 cout << "How many Absolute Values to Calculate? ";       //asking for the number
 cin >> numbs_2abs;                            // of abs to calculate
 while(numbs_2abs > 0)     //loop to produce amount of abs needed
 {
 cout<<"Enter Value to Absolute: ";
 cin >> x;
 absed = abs(x);
 cout <<"The answer is: " << absed <<"\n";
 numbs_2abs--;      //decrement of loop variable
 }
 return 0;
 }