#include <stdio.h>

int main(void) {
	int i;
	double A[5] = {
		9.0,
		2.9,
		3.E+25,
		.00007,
	};

	for (i = 0; i < 5; i++) {
		printf("element %d is %g, \tits square is %g\n",
		i,
		A[i],
		A[i]*A[i]);
	}
	return 0;
}