#include <stdio.h>

#define A_MAX 75
float Amper_Bat ;

int main() {
    Amper_Bat = A_MAX/1024 ;
    printf("A_MAX/1024 = %.10f\n", Amper_Bat);
    Amper_Bat = (float)A_MAX/1024 ;
    printf("(float)A_MAX/1024 = %.10f\n", Amper_Bat);
    Amper_Bat = 75.0/1024;
    printf("75.0/1024 = %.10f\n", Amper_Bat);
    printf("75.0/1024 = %.10f\n", Amper_Bat);
    return 0;
}