/* Program to show modification of floating data by careless text i-o */
#include <stdio.h>
#include <math.h>
main() {
    float d, e;
    d = sqrt(2.0);
    printf("Please type this number exactly: %f\n", d);
    scanf("%f", &e);
    printf("%f is ", d);
    if (d != e) {
        printf("NOT ");
    }
    printf("equal to %f\n", e);
    return 0;
}