C Program to find Square Root of a Number

How to find square root in C program ?

#include<math.h>

double sqrt(double)

C Program To Find Square Root of a Integer

#include<stdio.h>                                                                                                                          
#include <math.h>                                                           
                                                                                
void main ()                                                                    
{                                                                               
    int number;                                                                 
    double sqrt_val=0;                                                          
    printf("\nEnter number: ");                                                 
    scanf("%d", &number);                                                       
                                                                                
    sqrt_val = sqrt((double)number);                                            
                                                                                
    printf("Square root of %d: %lf\n", number, sqrt_val);                       
}                                                                                

$ cc square-root.c -o a.out -lm
$ ./a.out 

Enter number: 4
Square root of 4: 2.000000
$ ./a.out 

Enter number: 16
Square root of 16: 4.000000
$ ./a.out 

Enter number: 36
Square root of 36: 6.000000

Finds Square Root of a Float Number

#include <stdio.h>
#include <math.h>                                                        
                                                                                
void main ()                                                                    
{                                                                               
    float number;                                                               
    double sqrt_val=0;                                                          
    printf("\nEnter number: ");                                                 
    scanf("%f", &number);                                                       
                                                                                
    sqrt_val = sqrt((double)number);                                            
                                                                                
    printf("Square root of %f: %lf\n", number, sqrt_val);                       
}    

$ cc square-root.c -o a.out -lm
$ ./a.out 

Enter number: 4.4
Square root of 4.400000: 2.097618
$ ./a.out 

Enter number: 26
Square root of 26.000000: 5.099020

Finds Square Root of a Double Number

#include <stdio.h>                                                             
#include <math.h>                                                               
                                                                                
void main ()                                                                    
{                                                                               
    double number;                                                              
    double sqrt_val=0;                                                          
    printf("\nEnter number: ");                                                 
    scanf("%lf", &number);                                                      
                                                                                
    sqrt_val = sqrt(number);                                                    
                                                                                
    printf("Square root of %lf: %lf\n", number, sqrt_val);                      
}                                                                               
~    

$ cc square-root.c -o a.out -lm
$ ./a.out 

Enter number: 34565.78
Square root of 34565.780000: 185.918746
$ ./a.out 

Enter number: 89242948294.23232
Square root of 89242948294.232315: 298735.582571