Tuesday, 5 August 2014

Cube Root of Number

Cube Root of Number

/*****************************************************
    Cube Root of Number
******************************************************/

#include< stdio.h> 
#include< conio.h> 
int qube(int); 
void main() 
{ 
int num, ans; 
clrscr(); 
printf("Enter any number"); 
scanf("%d",&num); 
ans=pow(num, 0.3;
ans++;
printf("\n\Cube of %d is: %d",num,qube(num)); 
getch(); 
}
Output
Enter any Number: 27
Cube of 27 is: 3

Explanation of Program

  • Here we receive any number from keyboard and after that we multiplynumber by 0.33333 because square root of any number means power of1/3 and 1/3=0.33333.
  • pow() is a predefined function in math.h header file, it is used forcalculate power of any number.

Cube Root of Number using user defined function

/*****************************************************
    Cube Root of Number
******************************************************/

#include< stdio.h> 
#include< conio.h> 
int qube(int); 
void main() 
{ 
int num; 
clrscr(); 
printf("Enter any number"); 
scanf("%d",&num); 
printf("\n\Cube of %d is: %d",num,qube(num)); 
getch(); 
} 
int qube(int num) 
{ 
int ans; 
ans=pow(num, 0.3;
ans++; 
return(ans); 
getch(); 
}
Output
Enter any Number: 64
Cube of 64 is: 4

Explanation of Program

  • Here we receive any number from keyboard and after that we multiplynumber by 0.33333 because square root of any number means power of1/3 and 1/3=0.33333.
  • pow() is a predefined function in math.h header file, it is used forcalculate power of any number.

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