Write a Program to find the square root of a given number

Write a Program to find the square root of a given number

#include

#include

float SquareRoot(float num);

void main()

{

float input, ans;

clrscr();

printf("\n Enter The Number : ");

scanf("%f", &input);

ans = SquareRoot(input);

printf("\n Square Root : %f", ans);

getch();

}

float SquareRoot(float num)

{

if(num >= 0)

{

float x = num;

int i;

for(i = 0; i < 20; i ++)

{

x = (((x * x) + num) / (2 * x));

}

return x;

}

}