/* pow() - program to print square, cube and fourth power of a given number without doing any unnecessary calculations */

#include  <stdio.h>
#include  <conio.h>
#include  <math.h>

void main()
{
    float  x ;
    clrscr() ;
    printf("Enter a number: ") ;
    scanf("%f", &x) ;
    printf("Square = %f \n", pow(x,2) ) ;
    printf("Cube = %f \n", pow(x,3) ) ;
    printf("Fourth power = %f \n", pow(x,4) ) ;
    getch() ;
}

/*
Output:

Enter a number: 2.5
Square = 6.250000
Cube = 15.625000
Fourth power = 39.062500

*/