/* Program to find the value of root1 and root2 for a quadratic equation*/
/* June 2, 1998 */

#include 
#include 
main ()
{
	/* declaration */
	double a, b, c, disc, root1, root2;

	/* Enter values */
	printf ("Enter value of a> ");
	scanf ("%lf", &a);
        printf ("Enter value of b> ");
        scanf ("%lf", &b); 
        printf ("Enter value of c> ");
        scanf ("%lf", &c);

	/* Calculation */ 
	disc = pow(b,2) - 4*a*c;
        root1=(-b + sqrt(disc)) / (2*a);
        root2=(-b - sqrt(disc)) / (2*a);

	/* Display values */
        printf("Root 1 is %.2f \n", root1);
        printf("Root 2 is %.2f \n", root2);
}

    Source: geocities.com/yosemite/rapids/9568

               ( geocities.com/yosemite/rapids)                   ( geocities.com/yosemite)